Find the area of a circle having a radius of 9 cm

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John Meacham asked Dec 8, 2022

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7 votes

Find the area of a circle having a radius of 9 cm

Mathematics
college

John Meacham asked Dec 8, 2022

by John Meacham

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14 votes

Answer:

81pi cm^2

Explanation:

formula : pi*r^2

pi*9^2

pi*81

Pawel Lesnikowski answered Dec 9, 2022

by Pawel Lesnikowski

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13 votes

Answer:

81 pi cm^2

or approximately 254.34 cm^2

Explanation:

The area of a circle is given by

A = pi r^2

A = pi (9)^2

A = 81 pi

Using 3.14 as an approximation for pi

A = 81 (3.14)

A =254.34 cm^2

Indolering answered Dec 13, 2022

by Indolering

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