The diameter of a planet is 8000 miles What is its circumfer

The diameter of a planet is 8,000 miles. What is its circumference?

A. 19,412 miles

B. 20,889 miles

C. 25,120 miles

D. 28,475 miles

C. Use the formula C = 2r or C = d. You are given a diameter of 8,000 miles. Substitute that into the formula.

C = (8,000)

C = 3.14(8,000)

C = 25,120 mi