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The radius of a circle is 18 millimeters. What is the circle's circumference?
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The radius of a circle is 18 millimeters. What is the circle's circumference?

User Tanmay Delhikar
by
3.2k points

1 Answer

6 votes

Answer:

36 pi or approximately 113.04 mm

Explanation:

The circumference of a circle is given by

C = 2 * pi *r

C = 2 * pi * 18

C = 36 pi

Using 3.14 for pi

C =113.04 mm

User Vladzaba
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