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Find the area of a circle whose circumference is 22cm |
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Answer» now that CIRCUMFERENCE is 2πr Hence 2πr=22 2×22/7 ×r=22 r=7/2 We KNOW that AREA of CIRCLE=πr^2 22/7×7/2×7/2 77/2 Hence area of circle is 77/2 cm^2 |
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