zyonwalton222 zyonwalton222

18-04-2018
Mathematics

contestada

what is the exact area of a circle with a diameter of 18 feet

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jdoe0001 jdoe0001

18-04-2018

if the diameter is 18, the radius is half that, or 9.

area of a circle

A = πr², r = 9

A = π9²

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