Find the circumference of a circle whose area is 301.84sqcm

1.	Find the circumference of a circle whose area is 301.84sqcm
Answer» Ar.= πr2=301.84sqcm r2=301.84×7÷22=96.04r=√96.04=9.8cmr=9.8circumference=2πr=2×22÷7×9.8=44×1.4=61.6 cm

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