Civil Service Exam Reviewer · Measurement and Geometry · hard
A circle has an area of 706.5 m². What is its circumference? (π = 3.14)
- 47.1 m
- 353.25 m
- 94.2 m
- 188.4 m
Answer
C. 94.2 m
Solution
r² = 706.5 ÷ 3.14 = 225 → r = 15. C = 2πr = 94.2 m.
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