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The perimeter of a circle=πr², where π=22/7. find the area of r=21cm ​
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The perimeter of a circle=πr², where π=22/7. find the area of r=21cm
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User Shantrese
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1 Answer

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EXPLAINATION:
\pi r^2=(22)/(7) .21^2=(22)/(7) .441=(22.441)/(7) =(22.63.7)/(7) =22.63=1386<cm^2>

ANSWER: 1386
cm^2

Ok done. Thank to me :>

User Tkosinski
by
5.2k points
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