Engineering Board Exam Reviewer · Areas of Plane Figures · medium

A square is inscribed in a circle of radius 10. Find the area between the circle and the square.

  1. 157.08
  2. 114.16
  3. 200
  4. 57.08

Answer

B. 114.16

Solution

The diagonal of the square is 20, so its area is 202/2=200. Circle =100π=314.16. Difference =114.16.

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