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In the adjoining figure, O is the centre of the circle. m(arc PQR) = 60°, OP = 10 cm. Find the area of the shaded region.

(π = 3.14, √3 = 1.73)

Given: m(arc PQR) = 60°, radius (r) = OP = 10 cm 

To find: Area of shaded region.

1 Answer

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Best answer

∠POR = m (arc PQR) …[Measure of central angle]

∴ ∠POR = θ = 60°

∴ The area of the shaded region is 9.08 cm2.

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