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Example 3

What are the side lengths of with a scale factor of given the preimage and image below and the information that , , and ?
  1. Choose a side to start with and multiply the scale factor () by that side length.
  2. Choose a second side and multiply the scale factor by that side length.
  3. Choose the last side and multiply the scale factor by that side length.
  4. Label the figure with the side lengths.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information on their resources.