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प्रश्न
The radius of a circle is 17.5 cm. Find the area of the sector enclosed by two radii and an arc 44 cm in length.
बेरीज
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उत्तर
Given, arc length = 44 cm
Radius of circle, r = 17.5 cm
So, area of sector = `"arc length"/(2πr) xx πr^2`
= `("arc length" xx r)/2`
= `(44 xx 17.5)/2`
= 22 × 17.5
= 385 sq. cm
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