Question

What's the circumference of a circle with a diameter of 12 ft?


A. 264 ft.
B. 84 ft.
C. 19 ft.
D. 37.7 ft.

Answer 1

D.

The formula to find the circumference of a circle is:

$C=d \pi$

Where "C" is circumference and "d" is diameter.

Substituting your values in, we have:

$C=12 \pi$

Which, when rounded, is 37.7.