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Find circumference of circle whose area …

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Find circumference of circle whose area is 6.16cm²

Posted by Ajay Sangwan 6 years, 9 months ago

CBSE > Class 10 > Mathematics

1 answers

Shabnam Star 6 years, 9 months ago

πr^²=6.16 is given r^²/7=6.16/22 r^²=(0.28)(7) r^²=1.96 r=1.4 So r=1.4 Circumference of circle=2πr =(2)(22/7)(1.4) =(44)(0.2) =8.8

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CBSE > Class 10 > Mathematics