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8.2.08

True or False: For figures to be "similar" they must have the same angles and proportional side lengths.

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True or False: Figures are similar if one or more transformation can make them line up perfectly.

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Create 2 similar triangles. Remember they have to have the same angles and proportional side lengths.

This diagram has several triangles that are similar to triangle DJI. Find a triangle congruent to DJI.

This diagram has several triangles that are similar to triangle DJI. Find a triangle similar to DJI.

This diagram has several triangles that are similar to triangle DJI. Find a triangle NOT similar to DJI.

In the pair, some of the angles of two triangles in degrees are given.    What is the missing angle?     Triangle A: 53, 71, ___; Triangle B: 53, 71, ___

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In the pair, some of the angles of two triangles in degrees are given.   Use the information to decide if the triangles are similar or not. Are these two triangles similar?  Explain how you know. Triangle A: 53, 71, ___; Triangle B: 53, 71, ___

Did you need to know the last angle to tell if they were similar? Why or why not?