Engineering Board Exam Reviewer · Areas of Plane Figures · medium
A 12×5 rectangle is inscribed in a circle. Find the area of the circle.
- 132.73
- 113.1
- 530.93
- 66.37
Answer
A. 132.73
Solution
The diagonal is the diameter: sqrt(122+52)=13, so r=6.5 and A=π(6.5)2 132.73.
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