a hollow cylindrical pipe is 280cm long it's outer and inner diameter are 12cm and 8cm respectively find the volume of the copper used in making the pipe
Answers
Answered by
1
Step-by-step explanation:
let outer radius R = 12/2=6cm
inner radius r =8/2=4cm
volume of copper used in making the pipe
= π(R²-r²)h
22/7(6-4)280
22/7*2*280
44/7*280
40*44
1760cm³
Similar questions