Question

A cylindrical piece of iron pipe is shown below. The wall of the pipe is 1.25 inch thick:
What is the approximate inside volume of the pipe?

88 cubic inches
49 cubic inches
142 cubic inches
154 cubic inches

Answer 1

154

Answer 2

radius is 3 and that pipe is 1.25

so the inside cylinder radius is 3-1.25 = 1.75

and the volume of a cylinder with radius 1.75 and height 16 is...

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Seafoam
154
\(\color{#0cbb34}{\text{End of Quote}}\)

so good job!