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The radius of the semicircle in the following composite figure is 8.5 millimeters. What is the area of the semicircle rounded to the nearest hundredth

The radius of the semicircle in the following composite figure is 85 millimeters What is the area of the semicircle rounded to the nearest hundredth class=

Respuesta :

You will find the area of the semicircle by finding the area of the circle with a radius of 8.5 mm and the dividing it by 2.

A = pi x r^2
3.14 x 8.5^2
A = 226.865 square mm
226.865/2
113.43

The approximate area of the semi circle is 113.43 mm².

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