What is the exact area of a circle with a radius of 31 cm? A. 15.5 cm² B. 31 cm² C.961 cm² D.240.25 cm²

asked Oct 13, 2018 135k views

5 votes

What is the exact area of a circle with a radius of 31 cm?

A. 15.5 cm²
B. 31 cm²
C.961 cm²
D.240.25 cm²

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2 votes

we know that area of circle =
$\pi r ^(2)$
so

$\pi =3.14,and r=31$
then 3.14x31x31=3017.54

Jwqq answered Oct 18, 2018

by Jwqq

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