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प्रश्न
उत्तर
Radius of the circle, r = 7 cm
m(arc MBN) = ∠MON = θ = 60º
Area of the circle = \[\pi r^2 = \frac{22}{7} \times \left( 7 \right)^2\] = 154 cm2
∴ Area of the circle = 154 cm2
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