Question

Find the circumference of a circle with radius 8 inches.

A. 87 inches
B. 49 inches
C. 161 inches
D. 641 inches
E. 321 inches

Answer 1

Answer: B. 49 inches

Explanation:

Circumference is calculated by 2πr, where r is radius. Radius is 8 inches, so the circumference is 2(3.1415)(8) ≈ 49 inches.