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Shaded areas

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Problem

A circle with radius of 5cm sits inside a 11cm×11cm rectangle.
What is the area of the shaded region?
Round your final answer to the nearest hundredth.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
cm2
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