roselyngicom42
roselyngicom42 roselyngicom42
  • 19-07-2021
  • Mathematics
contestada

the diameter of a circle is 8 cm what is its area?
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Respuesta :

limichael2005 limichael2005
  • 19-07-2021

A = πr^2 and d = 2r.

So r = 8/2 = 4 cm.

Now use the first formula

A = π(4 cm)^2 = 50.265 cm^2

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