Question

What is a circumference of a circle whose diameter is 16 cm

Answer 1

16*pi

Explanation:

The formula for the circumference of a circle is 2*pi*r with r being the radius. The radius is half the length of the diameter, so we can say that the circumference is 2*pi*8. By multiplying 2 and 8, then we get 16*pi.

Answer 2

ANSWER

50.27 c.

Explanation:

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