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  • 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

Respuesta :

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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