brodygreen07 brodygreen07

01-02-2020
Mathematics

contestada

What’s the area of a circle if the diameter is 80

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lovenightshine15 lovenightshine15

01-02-2020

The area of a circle if the diameter is 80 is

A=5026.55

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graylynrhee graylynrhee

01-02-2020

the area of a circle is pi * radius squared. the diameter of a circle is two times the radius, so the radius of this circle is 40. so the area of this circle is 40^2 times pi, which is about 5026.55.

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