Math, asked by vaishnavichauhan969, 4 days ago

if the area of a circle is 30cmsquare, then find its circumference

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Answered by kaursumeet693

1

Answer:

$Area \: of \: a \: circle : \\ A = πr2=81π⇒ \\ r2=81⇒r=9 \\ </h3><h3>Circumference \: of \: a \: circle : \\ C=2πr \\ ⇒C=2π(9)=18π</h3><h3></h3><h3>$

Answered by Anonymous

8

See Attached Figure

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