\( \frac{\pi x^2}{8} \)
\( \frac{3\pi x^2}{8} \)
\( \frac{5\pi x^2}{8} \)
\( \frac{3\pi x}{8} \)
Correct answer is B
A = θ 360 x πr2 = 135 360 x π x x2 = (3πx2)/8
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