The base of a shipping drum is in the shape of a circle with a diameter of 20 inches. Which of the following is closest to the circumference of the base of the shipping drum? (Use 3.14 for .)
A.
314 inches
B.
1,256 inches
C.
31.4 inches
D.
62.8 inches
D. 62.8 inches
The formula for the circumference of a circle is C = πd, where d is the diameter. Plugging in the values, we get C = 3.14 x 20 = 62.8.