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Suppose the radius of a circle is 3 units. what is it’s circumference

User Kiong
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1 Answer

2 votes

Answer:


\large\boxed{C=6\pi\approx18.84}

Explanation:

The formula of a circumference of a circle:


C=2\pi r

r - radius

We have r = 3.

Substitute:


C=2\pi(3)=6\pi

You can use the approximation of a π:


\pi\approx3.14\\\\C\approx(6)(3.14)=18.84

User Marc Bredt
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7.1k points