Correct Answer: Option A

Explanation

Length of an arc = \(\frac{\theta}{360}\) x 2\(\pi\)r

22 = \(\frac{3x}{360}\) x \(\frac{22}{7}\) x 7           (since D = 2r)

22 x 7 x 360 = 3x X 22 X 7

x = \(\frac{22 \times 7 \times 360}{3 \times 22 \times 7\times 2}\) = 60º

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