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What is the circumference of a circle with an area of 121pi?

Anonymous

∙ 16y ago

Updated: 4/28/2022

The area of a circle is given by the formula A =π r²

Therefore 121π = π r² : 121 = r² : r = √121 = 11

The circumference of a circle is given by the formula C = 2πr

C = 2 x 11π = 22π or 69.115 (to 3 decimal places)

Wiki User

∙ 16y ago

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What is the area of a circle with a circumference of 22 pie over 3?

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