Question

The circumference of a circle is 62.8mi. what is the diameter?

Answer 1

The diameter is 20 mi

Explanation:

The circumference of a circle is given by

C = pi*d

We can substitute C=62.8 mi

62.8 = pi* d

Divide each side by pi

62.8/pi = d

Using 3.14 for pi

d = 20 mi