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notsponge [240]
3 years ago
11

Given a circle with an area of 25 pi in^2 What is the exact circumference?

Mathematics
1 answer:
Taya2010 [7]3 years ago
7 0

Answer:

31.4

Step-by-step explanation:

C = 2πr OR C = πd

But, we need to find r first.

A = \pi r^2\\25\pi = \pi r^2\\\sqrt{25} = \sqrt{r^2} \\r=5\\\\C=2\pi r\\C=2\pi (5)\\C= 10\pi \\C= 31.4

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