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Using Dilations to Prove Figures Are Similar

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question 1 of 3

To dilate a figure on a coordinate plane, _____ each number in the coordinate by the scale factor.

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1. Line segment AB is 3 cm and dilated by a scale factor of 2.5 What is the length of line segment AB after the dilation has occurred?

2. To prove similarity, what must occur between the pre-image and image?

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