Question

The diameter of a truck wheel is 56.5 inches. What is the circumference of
the wheel?

Answer 1

177.5 inches

Explanation:

c = 2πr

d = r2

56.5/2=28.25

28.25x3.14= 88.705

88.705x2=177.41

Round, and you’ll get 177.5.

Answer 2

Answer: 177.4999849 , or 56.5pi

Explanation:

You simply divide the diameter by 2 to get the radius (28.25) and then plug into the circumference equation, 2*pi*r = Circumfrence.