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Example 1

Use the definition of similarity in terms of similarity transformations to determine whether the two figures are similar. Explain your answer.
  1. Examine the orientation of the triangles.
  2. Determine whether a dilation has taken place by calculating the scale factor.
  3. Calculate the scale factor of the changes in the side lengths.
  4. Determine if another transformation has taken place.
  5. State your conclusion.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.