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Gnom [1K]
3 years ago
15

The diameter of a circle is 8 inches.what us the area

Mathematics
2 answers:
kari74 [83]3 years ago
8 0
The area formula for a circle is \pi r^{2}.
So, if we know the diameter of the circle, we can divide the diameter by 2 to get <em>r</em> (radius).

A = \pi (8/2)^{2} = \pi (4)^2 = 16\pi inches squared.

Hope I could help you out!
Have a good one, and God bless you!
Alina [70]3 years ago
5 0
A = 1/4 * (pi) * d^2
A = 1/4 * (pi) * 8^2
A = 1/4 * (pi) * 64
A = 1/4(64) * (pi)
A = 64/4 * (pi)
A = 16 (pi) in^2
Your answer is 16 pi in^2
~Silver
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