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Subjects>Math>Math & Arithmetic

How do you find the area of a 9 inch diameter circle?

Anonymous

∙ 14y ago

Updated: 10/26/2022

Pie or 3.14 times the radius squared. Half of 9 is 4.5, that is your radius. Now 4.5 squared is 20.25. Take 20.25 and multiply 3.14 which = 63.585 or orund the answer up to 63.86

Wiki User

∙ 14y ago

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