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प्रश्न
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उत्तर
The radius of the sector of the circle, r = 7 cm
Measure of arc of the sector = θ = 30º
∴ Area of the sector = \[\frac{\theta}{360°} \times \pi r^2 = \frac{30°}{360°} \times \frac{22}{7} \times \left( 7 \right)^2\] = 12.83 cm2
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