8.3 Similar Polygons

 

Theorem 8.1

If two polygons are similar, then the ratio of their perimeters is equal to the ratios of their corresponding side lengths.

Goal of 8.3

Goals of 8.3: Identify similar polygons and use similar polygons to solve real-life problems

Vocab

Similar Polygons: Two polygons such that their corresponding angles are congruent and the lengths of corresponding sides are proportional.

Scale Factor: The ratio of the lengths of two corressponding sides of two similar polygons.

Find the value of Z.

Set up a proportion that cantains EF.

Answer:

Z = 4

 


8.3 Practice Problems

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