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प्रश्न
The area of a sector of angle θ° of a circle of radius r is ______.
रिकाम्या जागा भरा
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उत्तर
The area of a sector of angle θ° of a circle of radius r is `underlinebb(θ/360^circ πr^2)`.
Explanation:
A sector with central angle θ° is `θ/360` of the whole circle area = πr2, so area = `θ/360 xx πr^2`.
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