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प्रश्न
Find the perimeter of a quadrant of a circle of radius 14 cm.
उत्तर
Perimeter of quadrant = `2r + 1/4 xx 2πr`
⇒ Perimeter = `2 xx 14 + 1/2 xx 22/7 xx 14`
⇒ Perimeter = 28 + 22 = 50 cm
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