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A.
15.40cm\(^2\)
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B.
17.64cm\(^2\)
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C.
23.10cm\(^2\)
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D.
32.34cm\(^2\)
Correct Answer: Option D
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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