Asked by Anonymous

An arc of a circle of radius 10cm subtends an angle 120° at a center a circle. Calculate the area of the sector OAB
Answered by oobleck
a = 1/2 r^2 θ = 1/2 * 10^2 * 2π/3 = 100π/3 cm^2
Answered by Jiya
6.6 cm
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