Jajaibear Jajaibear

11-04-2018
Mathematics

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What is an area of a circle with a circumfrence if 43.98226 inches? Use 3.14159

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mkryukova19 mkryukova19

11-04-2018

C=2πr, r=C/2π

A=πr² =π*(C/2π)²= C²/4π= (43.98226 )²/ (4*3.14159) =153.93791

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