If the radius of circle is 21 cm then find its area

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MhagnumDw asked Sep 3, 2022

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24 votes

If the radius of circle is 21 cm then find its area

Mathematics
high-school

MhagnumDw asked Sep 3, 2022

by MhagnumDw

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Explanation:

Area of the circle = pi x r²

= pi x 21²

= pi x 441

= 1386cm²

Prakhar Mishra answered Sep 4, 2022

by Prakhar Mishra

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23 votes

Explanation:

Area of Circle

$= \pi {r}^(2) \\ = \pi(21) {}^(2) \\ = 441\pi \: cm {}^(2) or \: 1385.442cm {}^(2)$

Mushif Ali Nawaz answered Sep 8, 2022

by Mushif Ali Nawaz

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