Page 12 Directions: C’ B B’ C A A’

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Page 12 Directions: C’ B B’ C A A’ Make a point in the center of the circular grid. This point will serve as the center of dilation. Make a point labeled A as shown. Make a point labeled B as shown. Make a point labeled C as shown. Perform a dilation of Point A using a scale factor of 2. Label new point A’. Perform a dilation of Point B using a scale factor of ½. Label new point B’. Perform a dilation of Point C using a scale factor of 3. Label new point C’. B C’ B’ C How would you describe the distance of each point from the center of dilation? A A’

Page 13 G’ G F’ F H E What scale factor was used in this problem to map Points E, F, G, and H to Points E’, F’, G’, and H’? Explain. H’ E’

Page 14 C’ B’ G F H E D’ A’ Directions (Part 1): Directions (Part 2): 1. Dilate the original polygon ABCD using P as the center of dilation and a scale factor of ½. Label the image of A as E, label the image of B as F, label the image of C as G, and label the image of D as H. 2. Draw segments to form polygon EFGH. D’ A’

Page 15 2.4 Quadrilateral and Concentric Circles Independent Practice: Page 15 2.4 Quadrilateral and Concentric Circles Page 17 Practice Problem # 2 (Directions Continue onto Page 18)