Question

What is the cirumference of a circle with a diameter of 4.1 cm

Answer 1

C = 12.88

Explanation:

If the radius of the circle is 4 cm, then the diameter of the circle is 4 cm x 2, or 8 cm. If you know the circumference of the circle, divide it by π to get the diameter.

C = π d = π · 4.1 = 12.88053cm

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