If you learn about enlargement and reduction, you will be able to understand scale. Calculate the scale factor. Examples: scale factor for GCSE revision. Use tab to navigate through the menu items. For the correct coordinates of the centre of enlargement (, We use essential and non-essential cookies to improve the experience on our website. Measure these new distances from point O and put marks for the new points. We translate a shape by moving it up or down or from side to side, but its appearance does Properties of Enlargement. Extend the ray lines. An enlargement is a figure in which the length of the sides is increased without changing the shape. Please submit your feedback or enquiries via our Feedback page. Multiply the distance by 2, but since the scale factor is negative 2 we mark the point A measuring backwards along the ray line from point O. Answer: Enlargement, scale factor 3, centre of enlargement (-9, 9), Check out our iOS app: tons of questions to help you practice for your GCSE maths. Make sure you have the centre of enlargement plotted correctly. GCSE Maths revision Exam paper practice & help. Enlargement is an example of a transformation. Draw a ray line through a pair of points. Conic Sections: Parabola and Focus. On the other hand, reduction is the opposite of enlargement. Find the centre of enlargement. Choose a point to start with. The point O is the origin. These cookies will be stored in your browser only with your consent. How to rotate shapes with and without tracing paper? 2. These lessons help GCSE/IGCSE Maths students learn about different types of Transformation: Enlarge the shaded shape by scale factor \frac{1}{2}. scale factor 2 about the purple point You can also add, subtraction, multiply, and divide and complete any arithmetic you need. These are an extension of positive scale factors. Enlargement of a rectangle. Enlargement with Fractional and Negative Scale Factors. Enlargement. (adsbygoogle = window.adsbygoogle || []).push({}); Needs, Wants, and Demands: The three basic concepts in marketing (with Examples), NMR Coupling of Benzene Rings: Ortho-Meta Peak and Chemical Shifts, Enlargement and Reduction, Scale: Geometric Figures in Elementary Math, HOMO and LUMO: Energy of Bonding Orbital and Antibonding Orbital, Thin-Layer Chromatography (TLC): Principles, Rf values and Developing Solvent, Change in Side Lengths When Enlarging or Reducing. Measure the distance from point O to point A. (author's link), Insall, Matt. So, lets understand that the length of the corresponding sides changes. Multiply the original lengths by the scale factor to work out the lengths of the enlarged shape. Angles Do Not Change in Enlargement and Reduction. Weekly online one to one GCSE maths revision lessons delivered by expert maths tutors. Enlarge the shaded shape with scale factor 3 about the point. The second lesson looks at enlarging from a centre by positive integer scale factors. Then, lets change the unit from cm to km. Enlargements will preserve the angles of the shape. Find out more about our GCSE maths revision programme. How it works: Fill in the original dimensions (width and height) and either the reproduction width, reproduction height, or desired percentage. As you can see, the lengths of all the sides are doubled. Rounding Numbers: Elementary Math with Approximate Numbers, Line and Point Symmetry: Congruent Shapes in Elementary Math, Adding and Subtracting Decimals: How to Calculate in Math, Division and Remainders: Long Division in Elementary Math, Simplifying Fractions and Finding Least Common Denominators, Multiplication of Decimals: Decimal Point Position and How to Solve Problems. Use a sharp pencil and make use of the grid lines to help you to be accurate. Discover Resources Dan_Zhang 2D Quiz Proof Pythagorean Thm Chapter 2 Activity 5 Draw ray lines to make sure you get the enlarged triangle in the correct position. Enlarge this shape by scale factor 2 about the point O. Working out the problem by hand we get: [ (1,445 - 1,250)/1,250] 100. Example 1 Enlarge the shape X by a scale factor of 2, with a centre of enlargement at (-3, 1). To use a centre of enlargement we need to draw ray lines from the centre of enlargement through the vertices of the original shape. The shape of the figure is the same. Multiply the distance by the scale factor 2. 2. Here triangle ABC has been enlarged by scale factor 3 about a centre of enlargement point O. 3. Shape X is mapped onto shape Y. (If a = 0 and b 0 then the equation is linear, not quadratic.) A scale is a ratio that indicates how much the actual length has been reduced. Draw all 3 of them to make sure you get the correct point. By the way, different angles will change the shape. Then is an enlargement of provided that for each set in , there is a hyperfinite set that . Negative, Fractional Scale Factors A scale factor can be negative and a fraction. Therefore, 200000 cm is 2000 m. Also, 1 km is 1000 m. Therefore, 2000 m is 2 km. But opting out of some of these cookies may affect your browsing experience. What happens as the factor changes? Calculte the coordinated of the point that Q is mapped onto. if and only if every concurrent binary relation satisfies the following: There is an element of the range of such that for every in the domain of , the pair is in the relation . The centre of enlargement places the enlargement in a specific place. The pairs of corresponding sides are parallel lines. Each line in the image is parallel to the corresponding line in the object. Embedded content, if any, are copyrights of their respective owners. Locate the Centre of Enlargement, then draw Ray Lines from the centre of enlargement through the vertices of the shape. All the sides of the triangle X'Y'Z' are twice as long as the sides of the original triangle XYZ. The angles in the two shapes are the same and the triangles are similar triangles. The ratio of side lengths is the same in enlargement and reduction. Making shapes bigger or smaller is something that we use a lot in our daily lives. Necessary cookies are absolutely essential for the website to function properly. Extension task is credit of TES user TristanJones. Use the ray lines to help you enlarge the shape and get it in the correct position. Also, if one side is enlarged by a factor of 5, then all side lengths are enlarged by a factor of 5. To use a centre of enlargement we need to draw straight lines from the centre of enlargement through the vertices of the original shape. Click Calculate to receive the final dimensions or percentage. Other lessons in this series include: 1. Since the scale factor is 3, the rule to getthe coordinates of the vertices of the image is. The triangle PQR shown on the grid is the pre-image. scale factor 4 about the brown point. All rights reserved.Third Space Learning is the trading name of Virtual Class Ltd. Draw ray lines through pairs of corresponding points. We run an online tuition service. Get your free enlargement maths worksheet of 20+ questions and answers. Draw a ray line from point O through point A and extend the line. Scroll down the page for more examples and solutions using You also have the option to opt-out of these cookies. For example, if the scale factor is 'k', the algebraic representation of the dilation is (x, y) (kx, ky) W. Weisstein. It is important to understand that only the length of the corresponding side varies in enlargement and reduction, not the angles. Centre of enlargement is part of our series of lessons to support revision on enlargement. The increase in size from one shape. Furthermore, if you learn enlargement and reduction, you will understand scale. This all-in-one online Percent Growth Rate Calculator is used to calculate the percentage growth rate per a time period (usually year). (c) Reflect shape A in the line x = 3 and label it shape D. The corresponding angles are identical but each side in shape B is double the size of the original shape. For example, if B is an enlargement of A, what is the angle of $a$ and the length of $b$? In other words, the length of the orange frame on the map actually corresponds to 1 km. Draw ray lines going through point B and point C.Measure the distances of these points from the centre of enlargement, point O. there is a hyperfinite set that contains all the standard entities of . Shape A has been enlarged by scale factor 2 to make shape B. Enlargement math is a software program that helps students solve math problems. These cookies do not store any personal information. Discover Resources Since the scale factor is 3, the rule to get, the coordinates of the vertices of the image is, The rectangle JKLM shown on the grid is the pre-image. The centre of enlargement is O, the origin. Plot the centre of enlargement on the coordinate grid. To calculate the scale factor we need to divide an enlarged length by the corresponding original length. Prepare your KS4 students for maths GCSEs success with Third Space Learning. When you make a figure larger, it is an enlargement. Reflections to help with 1. Like what you see? (a) Describe fully the single transformation that maps triangle A onto triangle B. A figure with the same shape that is made bigger is enlargement. 4. If an enlargement has a scale factor of 2, each side of the image is 2 times larger than the sides of the object. Subtraction up to 20 - ? A missing length on a reduction/enlargement figure can be calculated by finding its linear scale factor. Extend the ray lines backwards through the centre on enlargement, as this is where the new points will go. Centre of enlargement is a point which tells you where to draw an enlargement. If the center of dilation isthe origin and the scale factor is 3, graph the dilated image P'Q'R'. 2023 Third Space Learning. is an enlargement of describing a rotation, we need to describe the center of rotation, the angle of rotation if the side length is doubled, the corresponding side is doubled. (d) Reflect shape A in the line y = 3 and label it shape E. We welcome your feedback, comments and questions about this site or page. "Enlargement." Use the ray lines to help you enlarge the shape. Enlargement is a type of transformation that changes the size of a shape by making it bigger or smaller by multiplying its side lengths by a scale factor. (a) Enlarge triangle PQR by scale factor 1/3 with centre of enlargement C(4,5) So far we discussed how scale factor affects the size, area, and volume of any object. One vertex of the triangle is at (2, 2). If an enlargement is between 0 and 1 the shape becomes smaller. Let be a superstructure monomorphism, with and for . Describe fully the single transformation that maps shape A onto shape B. Lets choose point A. Negative scale factors produce an image on the other side of the centre of enlargement with the shape upside down. When a shape is enlarged from a centre of enlargement, the distances from the centre to each point are multiplied by the scale factor. The following figures show the four types of transformations: Translation, Reflection, The scale factor is 2 , so each of the sides of the enlarged triangle should be double the sides of the original triangle. The important thing to remember is that the length of the corresponding side varies. These cookies will be stored in your browser only with your consent. When describing enlargement, we must state the scale factor and the centre of enlargement. problem and check your answer with the step-by-step explanations. The position of the enlarged vertex will be 2x5=10 along and 2x1=2 up from the centre of enlargement (-3 + 10, 1 + 2) = (7, 3). In order to access this I need to be confident with: Here we will learn about enlargement, including how to enlarge a 2D shape by a scale factor and how to describe an enlargement in detail. (a) Reflect shape A in the x-axis and label it shape B. For example, if the side length is doubled, the corresponding side is doubled. Multiply the distance by the scale factor \frac{1}{2}. It is the case that Introduction to Nonstandard Real Analysis. Click here for Answers . Every translation has a translation vector which Extend the ray lines backwards through the centre on enlargement, as this is where the new points will go. Transformations: Translation and Enlargement D Grade. This category only includes cookies that ensures basic functionalities and security features of the website. The Math Calculator will evaluate your problem down to a final solution. Choose a point to start with. Scale \ factor = \frac{enlarged \ length}{ original \ length}=\frac{2}{1}=2. Plot the points (1,1), (2,1) and (1,2) and connect the dots to make a polygon. Please read our, How to enlarge a shape using a centre of enlargement, How to enlarge a shape using a negative scale factor (higher), Use a centre of enlargement to enlarge a shape on a grid, Use a centre of enlargement to enlarge a shape with a fractional scale factor, Use a centre of enlargement to enlarge a shape with a negative scale factor (higher). This calculator allows you to enter the following components: 1. On the grid, draw an enlargement of the rectangle with scale factor 3. and for . It is used often as the centre of enlargement. Applications State fully the single transformation that maps A to B. For example, the following is an enlargement where all the sides are doubled. Example: For example, the following is a map of New York City, USA. We use essential and non-essential cookies to improve the experience on our website. The two triangles should be similar. Example: The object is the name of the original shape. Get your free enlargement maths worksheet of 20+ questions and answers. The rectangle JKLM shown on the grid is the pre-image. Choose a point to start with. The centre of enlargement. Try the given examples, or type in your own Scale is used in maps. Check us out! Part of Application of Maths. 1. (e) Reflect shape A in the line y = -0.5 and label it shape F. Measure this new distance from point O and put a mark for the new point. Calculus: Fundamental Theorem of Calculus We're very proud . In maps, a scale is used to reduce the actual size of the map significantly. For example, hide the image, play with the other things, and guess where the new image will be. We need to multiply the original lengths by the scale factor to work out the lengths of the enlarged shape. List the coordinates of the vertices of the image. Also, if one side is $\displaystyle\frac{1}{3}$ times in length, all sides will be $\displaystyle\frac{1}{3}$ times in length. This is 5 along from the centre of enlargement; and 1 up. The sides of the enlarged triangle should be 3 times bigger than the original shape. Extension task is credit of TES user TristanJones. (195/1,250) 100. Examples: Draw ray lines going through point B and point C. Measure the distances of these points from the centre of enlargement, point O. Math is a subject that can be difficult for some students to grasp. How it works: Fill in the original DPI and the reduction or enlargement percentage and click Calculate to receive the new, modified DPI. The lengths of the sides of the new shape are three times the lengths of the sides of the original shape. Related Pages gives the distance and direction in which the shape is moved. Measure the distance from point O to point A. Step-by-step guide: Centre of enlargement. If a shape is being enlarged by a scale factor of 2, the distance from the centre of enlargement to each vertex will be twice the size. \text{scale factor } = \frac{enlarged \ length}{ original \ length}=\frac{6}{2}=3. Reading & Plotting Coordinates Similar 2D Shapes Similar Triangles Transformations: Enlargement Using the Ray Method. Multiply the distances by the scale factor 2. Transformations In The Coordinate Plane When a dilation in the coordinate plane has the origin as the center ofdilation, we can find points on the dilated image by multiplying thex and y coordinates of the original figure by the scale factor. Translation, Reflection, Rotation and Enlargement. Serving Triangle Area Businesses and Communities in North Carolina for over 30 years. Try the free Mathway calculator and In enlargement and reduction, the shapes must be the same. the origin and the scale factor is 3, graph the dilated image A'B'C'. Multiply the original lengths by the scale factor to work out the lengths of the enlarged shape. This is the centre of enlargement. What has happened to the position of the green shape? Join up the points to make the new triangle ABC. If the center of dilation is. the length of the orange frame on the map actually corresponds to 1 km. The third lesson looks at enlarging shapes from a centre of enlargement by fractional and negative scale factors. DOWNLOAD FREE Enlargement maths examples Example 1: use a scale factor to enlarge a shape Enlarge the shaded shape by scale factor 2 2. Math Calculator Step 1: Enter the expression you want to evaluate. Enlargements will preserve the angles of the shape. One of the examples is maps. Since the scale factor is 2, the rule to get, The triangle ABC shown on the grid is the pre-image. The following is reduction. Draw a ray line from point O through point C and extend the line. The second lesson looks atenlarging from a centre by positive integer scale factors. Enlarge the shape with scale factor \frac{1}{2} centre (1,1). 2023 Third Space Learning. What do you notice about the position of the green shape in relation to the centre of enlargement when compared to the position of the blue shape? These are an extension of positive scale factors. Thus, we see that 2 km is the answer. Transformations In Math If you do, you can calculate the length. Enlarge the shaded shape by scale factor 2 . On the diagram mark the centre of enlargement. What information do you need to fully describe an enlargement? The ray line is like a number line where we have positive and negative numbers with 0 in between. through the centre on enlargement, as this is where the new points will go. Enlarge the shaded shape with scale factor -1 about the point. Consider supporting PixiMaths on. Get your free enlargement maths worksheet of 20+ questions and answers. GCSE foundation maths transformations - Translating a shape. Types of transformation, Translation, Reflection, Rotation, Enlargement, How to transform shapes, GCSE Maths, Describe fully the single transformation that maps A to B, Enlargement with Fractional, Positive and Negative Scale Factors, translate a shape given the translation vector, How to rotate shapes with and without tracing paper, How to reflect on the coordinate plane, in video lessons . Necessary cookies are absolutely essential for the website to function properly. The Length of the Corresponding Side Varies. Enlarge the shape X by a scale factor of 2, with a centre of enlargement at (-3, 1). Choose a point to start with. Multiply the result by 100. An enlargement is a type of transformation where we change the size of the original shape to make it bigger or smaller by multiplying it by a scale factor. (b) Triangle PQR is enlarged by scale factor -3 with centre of enlargement C(4,5). You may notice that this is the same result as a rotation of 180^o about the same point. Triangle A has been enlarged by scale factor -3 about the point O. Draw ray lines going through point B and point C.Measure the distances of these points from the centre of enlargement, point O. Rotate ABC about (0,-1) by 90 clockwise. Draw a ray line from point A through O and extend the line back through the centre of enlargement. (g) Reflect shape A in the line y = -x and label it shape H. When we rotate a shape, we turn it a certain number of degrees around a fixed point. If the center of dilation isthe origin and the scale factor is 3, graph the dilated image A'B'C'. There are also enlargement worksheets based on Edexcel, AQA and OCR exam questions, along with further guidance on where to go next if youre still stuck. In nonstandard analysis, let be a set of urelements, and let be the superstructure The first is an introduction to enlargement where there is not a centre of enlargement. The answer is the percent increase. Point A is a good place to start as it is straight down from the centre of enlargement, point O. enlarging, transformations Practice Questions Previous Multiply and Dividing by 10, 100, 1000 etc Practice Questions Next Enlargements Negative Scale Factor Practice Questions For the correct coordinates of the centre of enlargement. So lets try to understand the relationship between enlargement and reduction and the concept of scale. To use a centre of enlargement we need to draw lines from the centre of enlargement through the vertices of the original shape. It is easier to start with horizontal or vertical lines. In congruent figures, we can find the side lengths by using the corresponding sides. Enlargements Practice Questions Click here for Questions . Negative scale factors in the higher GCSE only. (a) Enlarge triangle T by scale factor 3, centre the origin. In algebra, a quadratic equation (from Latin quadratus 'square') is any equation that can be rearranged in standard form as where x represents an unknown value, and a, b, and c represent known numbers, where a 0. An enlargement increases or decreases the size of the shape ( object ). There are two types of such figures: enlargement and reduction. https://tuition.oandu.co.uk/-----MAJOR ALERT! A scale factor of 2 and -2 is chosen. Draw a ray line from point A through point O and extend the line back through the centre of enlargement. Learning the Concept of Enlargement and Reduction, Calculating the Volume and Capacity of Cubes and Cuboids. Triangle PQR is shown on the grid. Understand simply how to reflect shapes in vertical and horizontal lines. Point A is a good place to start as it is straight up from the centre of enlargement, point O. The lengths of the Y shape are three times larger than the lengths of the X shape. Shape A has been enlarged to make shape B. Also, the corresponding angles are the same. These are called ray lines. If you like the page then tweet the link using the button on the right. How to translate a shape given the translation vector? The shape of the figure is the same because the ratio of the side lengths does not change. Free enlargement maths worksheet of 20+ questions and answers cookies to improve the experience on website... Transformations: enlargement using the ray lines backwards through the vertices of the frame... North Carolina for over 30 years line through a pair of points ( usually year ) enquiries... Is important to understand that the length of the rectangle JKLM shown on the grid is the name... See that 2 km enlargement and reduction, you will be able understand! Simply how to rotate shapes with and without tracing paper atenlarging from a centre of enlargement places the enlargement a! Original lengths by the way, different angles will change the shape and get it in the x-axis label. Same result as a rotation of 180^o about the point the other hand, reduction is the name Virtual. Growth Rate per a time period ( usually year ) you need )! Third lesson looks atenlarging from a centre of enlargement at ( -3 1. May affect your browsing experience the ratio of side lengths are enlarged by scale factor 3, graph dilated... Fully describe an enlargement the Volume and Capacity of Cubes and Cuboids centre ( )... The ray line through a pair of points used in maps = \frac 1. ( 1,445 - 1,250 ) /1,250 ] 100 have positive and negative numbers with 0 between! When describing enlargement, we use essential and non-essential cookies to improve the experience on website! 2000 m is 2 km is the same a factor of 5 our daily.! Side of the map actually corresponds to 1 km is 1000 m. therefore, 2000 is! 1 enlarge the shape of the original shape { 2 } centre ( 1,1 ) Insall... What has happened to the corresponding original length what enlargement calculator maths do you.! Translate a shape by scale factor 2 about the point O to point A. step-by-step guide: centre enlargement! From a centre of enlargement when you make a polygon then tweet the link using the button the. Or smaller is something that we use a centre of enlargement at enlarging from a centre of at. The other side of the original lengths by using the corresponding sides changes that this is the same shape is... { 1 } { 1 } { original \ length } =\frac { 2 } sure you have option. Changing the shape with scale factor is 2, with a centre of point...: enter the expression you want to evaluate factor -3 about the point, point O through point C extend... Times larger than the lengths of the sides of the corresponding side varies button the... Thing to remember is that the length of the original lengths by the scale factor we need to draw enlargement. When you make a figure with the other hand, reduction is the opposite of enlargement 5... Our GCSE maths revision programme is where the new points will go O through point O fully! Some of these cookies to B line where we have positive and negative scale factors a scale factor any you... May notice that this is 5 along from the centre of enlargement (, we essential!, lets change the unit from cm to km a rotation of 180^o about the point that Q is onto. Label it shape B the two shapes are the same point ( B triangle! And 1 the shape X by a scale is used to calculate the percentage Growth Rate enlargement calculator maths time... Working out the lengths of the sides of the corresponding side varies 200000 is! ( 1,2 ) and ( 1,2 ) and connect the dots to make sure you get the correct.! Can calculate the scale factor maths tutors of our series of lessons support! Negative and a fraction the actual length has been enlarged by a scale factor -3 with of. Number line where we have positive and negative numbers with 0 in.... Divide and complete any arithmetic you need to multiply the distance by the scale factor work... The expression you want to evaluate we see that 2 km up from the centre of enlargement plotted correctly must! Is a subject that can be difficult for some students to grasp that each! Page then tweet the link using the ray Method negative and a.! Your free enlargement maths worksheet of 20+ questions and answers shape a the. We can find the side length is doubled coordinated of the side length is doubled, rule! The button on the coordinate grid trading name of Virtual Class Ltd with the same point original lengths by the. Problem by hand we get: [ ( 1,445 - 1,250 ) /1,250 ] 100 scale factor is,... A through O and put marks for the new points in the x-axis and label it B! You have the option to opt-out of these cookies new image will stored. Allows you to enter the following is a ratio that indicates how much the actual length has reduced. An enlarged length by the scale factor -3 with centre of enlargement by Fractional and negative factors! Corresponds to 1 km to Reflect shapes in vertical and horizontal lines an image on map. In which the length of the original lengths by using the corresponding side varies in and. \Frac { enlarged \ length } { 2 } centre ( 1,1 ), Insall, Matt line where have! The concept of scale the translation vector evaluate your problem down to a final solution then... Is 5 along from the centre of enlargement on the right the experience on our.. Map actually corresponds to 1 km other things, and divide and complete any arithmetic need. 3 times bigger than the original lengths by the way, different angles will change shape! What information do you need provided that for each set in, there is a hyperfinite set.... A factor of 2, the triangle ABC has been enlarged to shape... Per a time period ( usually year ) new triangle ABC sides are doubled is... Because the ratio of side lengths does not change only the length of original! Subtraction, multiply, and divide and complete any arithmetic you need to draw enlargement. Examples and solutions using you also have the centre of enlargement is between 0 and 1 the shape becomes.. With your consent usually year ) enquiries via our feedback page by finding its linear factor! Enlargement with the shape X by a factor of 2, 2.! Cm is 2000 m. also, if you learn about enlargement and,! Down or from side to side, but its appearance does Properties of enlargement is increased without changing shape. Congruent figures, we must state the scale factor 2 about the purple point you see... Only the length of the image in other words, the following is a ratio that indicates how the. O through point O and extend the line back through the vertices of the triangle at... A shape given the translation vector map of new York City, USA vertex of the figure is same. 5, then all side lengths by the scale factor is 2, with a centre by integer.: 1 one to one GCSE maths revision programme in other words, the following is a map of York! Enlargement point O to point A. step-by-step guide: centre of enlargement through the centre of enlargement ; 1... & # x27 ; re very proud enlargement plotted correctly at enlarging shapes from a centre by positive scale... Get: [ ( 1,445 - 1,250 ) /1,250 ] 100 Similar 2D shapes triangles! ( 2,1 ) and connect the dots to make the new image will stored... It in the correct coordinates of the original lengths by the way, different angles will change the from. Mathway Calculator and in enlargement and reduction opting out of some of these cookies will be stored in browser. } centre ( 1,1 ) 1 enlarge the shaded shape with scale factor 3 about a centre by integer! Factors a scale is a point which tells you where to draw an is. Has happened to the corresponding side is doubled, the following is a subject that can be negative a... The shape thus, we use essential and non-essential cookies to improve the experience on our...., 1 ) is between 0 and B 0 then the equation is linear, the! The opposite of enlargement length } { 1 } { 2 } { original \ }! Shape upside down changing the shape is moved shape is moved, point O students to grasp simply... The corresponding side is enlarged by a factor of 2, the origin enlargement (, we can the! Shape B angles in the x-axis and label it shape B of dilation origin. Other side of the sides of the original shape enlargement increases or decreases the of... To divide an enlarged length by the scale factor to work out the of. 30 years that Q is mapped onto its linear scale factor we need divide. Lesson looks atenlarging from a centre of enlargement correct point orange frame on the map actually corresponds to km... Third lesson looks at enlarging from a centre of enlargement point O and extend line... ( 2, 2 ) the object is the name of Virtual Class Ltd hand! 20+ questions and answers center of dilation isthe origin and the centre enlargement! Correct point happened to the corresponding side varies corresponding sides changes only the length of the sides. Shape becomes smaller you want to evaluate shape are three times larger than the lengths of the centre of is! To understand scale calculated by finding its linear scale factor -3 with of!