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प्रश्न
Find the area of the circle if its circumfence is 88 cm.
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उत्तर
Circumference = 88 cm
⇒ 2πr = 88
⇒ r = `(88 xx 7)/(2 xx 22)`
= 14 cm
Area of the circle = πr2
= `22/7 xx (14)^2`
= 616 cm2
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