Thursday, June 20, 2013

What is the area of a circle that is inscribed in a square with an area of 4?

A=s%5E2=4%0D%0A 
so s=2 
for the circle... 
%0D%0Ad=s=2 
so r=1 

A=pi%2Ar%5E2=pi%2A1%5E2 
%0D%0AA=pi 
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