SOLUTION: what is the solution of if the perimeter of a semicircle is 72cm what will be the area of that semicircle?

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Question 872213: what is the solution of if the perimeter of a semicircle is 72cm what will be the area of that semicircle?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
what is the solution of if the perimeter of a semicircle is 72cm
Find the radius of the semi-circle
diameter + half the circumference = 72 cm
2r + pi*r = 72
r(2+pi) = 72
r = 72%2F%28%282%2Bpi%29%29
r = 14
:
what will be the area of that semicircle?
A =1%2F2*pi%2A14%5E2
A = 307.9 sq/cm