3 years ago

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

1 answer:

5 0

We know that area of circle = $\pi r ^{2}$
so
$\pi =3.14,and r=31
$
then 3.14x31x31=3017.54

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klemol [59]

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we know that $\pi = 360 degrees$ $\pi = 360 \ degrees$

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