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Mathematics 13 Online
OpenStudy (anonymous):

what is the are o circle its diameter is 8m

jigglypuff314 (jigglypuff314):

area of a circle is radius times radius times pi diameter is 2 times radius so since radius is half of the diameter when the diameter is 8 then radius is 4 then area = 4 times 4 times pi simplified would be =

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