Question

The outside diameter of a pipe is 5 cm. The inside diameter is 4 cm. The pipe is 4 meters long. What is the volume of the material used for this length of pipe?Round your answer to the nearest cubic centimeter. (Hint: be sure that all units are in centimeters when completing this problem)

Answer 1

pi Ro^2 L - pi Rin^2 L

= pi L (Ro^2-Rin^2)

= pi * 400 (.025^2 - .02^2)