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

asked Oct 9, 2022 131k views

3 votes

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1 vote

Explanation:

Area of the circle = pi x r²

= pi x 21²

= pi x 441

= 1386cm²

Maxi Wu answered Oct 9, 2022

4.2k points

3 votes

Explanation:

Area of Circle

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

Guilleva answered Oct 13, 2022

4.5k points

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