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July 24, 2014

July 24, 2014

Posted by **Kelsey** on Wednesday, April 25, 2012 at 8:40pm.

The problem is:

The figure consists of a square with 4 half circles surrounding it. If the perimeter of the figure is 87 yards, what is the radius of each half circle? What is the area of the square? Round to the nearest tenth if necessary.

- Math -
**MathMate**, Wednesday, April 25, 2012 at 10:07pmThe perimeter of the figure is 4 half circles, or 2 complete circles.

A full circle has a perimeter of 2πr.

So we have

4πr=87 yds

Solve for r and hence the area of the square.

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