Question

Please help me and get 40 points correct would be marked as brainliest.
The thickness of a metallic pipe is 1cm. Its inner diameter is 12cm. What is the volume of metal needed for a pipe of length 1m?

Answer 1

volume of pipe=pi×R2×h-pi×r2×h
22/7×1000×1
22000/7
3142.85 cm 3