Math, asked by simran7630, 1 year ago

plz solve these 12 sum for me plz friends

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Answered by stylishsojal

0

circumference =
$2\pi \: r$
31.4=2pie r
by this u will get r
and the use the formula for area

Answered by afsanafatima5

0

Given,Circumference of circle=2Πr
31.4cm=2×3.14×r
r=31.4/2×3.14
r=5cm
Now,Area of circle=Πr²
3 .14×5²
=78.5cm²

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