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Home > CCG > Chapter 11 > Lesson 11.1.3 > Problem 11-44

11-44.

Find the area and circumference of at right. Show all work.  

 

 

The two triangles are similar, which means the ratios of corresponding sides are equal.

Therefore 

Since you now know that , you can determine the diameter and radius of the circle.

Radius 

Area square units
Circumference units