Problema Solution
If a pipe 1/4 inch thick has an inner diameter of 2 5/8 inches, find the number of cubic inches of metal in a piece of pipe 10 feet long.
Answer provided by our tutors
volume= pi(R^2 - r^2)*l
so, V= 3.14*[(25/16)^2 - (21/16)^2]*120
V= 270.825 cubic inches.