Question

What is the circumference of this circle? Use π ≈ 3.14. Round your answer to the nearest tenth of a centimeter.

Semester Test, Part 1



A. 34.5 cm

B. 69.1 cm

C. 17.3 cm

D. 22.0 cm

Answer 1

To find the circumference you must plug r into the equation 2pi(r). Since you're given the diameter which is already 2 times the radius just multiply that by 3.14. 3.14*11=34.5