SOLUTION: what is the area of a square inscribed in a circle whose circumference is 16pi

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Question 297779: what is the area of a square inscribed in a circle whose circumference is 16pi
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
A=pi*r^2
16pi=pi*r^2
r=4

8=s*sqrt(2)

s=4*sqrt(2)

Area of square = (4*sqrt(2))^2 = 32