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If a circle has a diameter of 6 cm, which values is closest to its circumference?

1 Answer

4 votes

Answer:

18.85 (rounded to the nearest hundredth)

Explanation:

The formula for diameter of a circle is "C=2
\pir". With this in mind, we have to find the radius. We do this by cutting the diameter in half. Now we can fill in the formula.

C = 2 ·
\pi · 3 = 18.849555921539

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