Download 1) The ratio of the side lengths of a quadrilateral is 2

Name______________________________________
Geometry
Date___________________________
Ms. Williams
Chapter 7–1 & 7-2 Ratios in Similar Polygons
SWBAT: Use proportions to solve problems
Identify and apply properties of similar polygons to solve problems.
Warm – Up
1) The ratio of the side lengths of a quadrilateral is 2 : 3 : 5 : 7, and its perimeter
is 85 ft. What is the length of the longest side?
2) The ratio of the angle measures in a triangle is 1 : 6 : 13.What is the measure of
each angle?
Example 1: Solving Proportions
Solve each proportion.
Practice: Solving Proportions
Solve each proportion.
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3)
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4)
Example 1:
Example 2: Identifying Similar Polygons
Determine whether the polygons are similar. If so, write the similarity ratio and a similarity statement.
Practice: Identifying Similar Polygons
Determine whether the polygons are similar. If so, write the similarity ratio and a similarity statement.
1)
2)
3)
Homework
14.
15.
Determine whether the polygons are similar. If so, write the similarity ratio and a similarity statement.
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