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August 29, 2015

Homework Help: Math

Posted by Anonymous on Saturday, April 21, 2007 at 4:50pm.

The perimeter of a semicircle is 72 cm. Find the raduis of the semicircle and then find its area


Consider the full circle: perimeter 144

radius= perimetercircle/2PI

areacircle= PI*rad^2
areasemicircle= 1/2 area circle

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