Find the area of the sector OPSQ
MATHEMATICS
WAEC 2022
Find the area of the sector OPSQ
- A. 15.40cm2
- B. 17.64cm2
- C. 23.10cm2
- D. 32.34cm2
Correct Answer: D. 32.34cm2
Explanation
\(\frac{θ}{360}\) *π * r\(^2\) → \(\frac{210 * 22 * 4.2 * 4.2}{360 * 7}\)
\(\frac{1617}{50}\) = 32.34cm\(^2\)
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