Question

The circumference of a circle is 31.4 miles. What is the circle's radius?

Answer 1

Answer:

About 5 miles  or   4.9974 miles

Step-by-step explanation:

Formula:  C = 2*π*r

31.4 miles = 2*π*r

Solve for r, the radius

r = 31.4 / 2*π =  4.9974 miles  or about 5 miles