SOLUTION: A circle of radius 10cm in inscribed in a square. What is the area of the square, not covered by the circle?

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Question 326822: A circle of radius 10cm in inscribed in a square. What is the area of the square, not covered by the circle?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The radius of the circle is (1/2) of the side of the square.
s=20 cm
The area of the square is,
A=s%5E2=400cm^2
The area of the circle is,
A=pi%2Ar%5E2=pi%28100%29=100pi cm^2
The difference in area is,
highlight%28Ar=400-100pi%29