Question

a hollow cylindrical pipe is 21 m long its inner and Outer diameters are 6 cm and 10 cm respectively find the volume of the metal used in making the pipe

Answer 1

Height of cylinder=10m
Inner diameter=6,radius=3m
Outer diameter=10,radius=5m
Volume


Hey mate ✌✌✌✌✌✌✌✌
Here your answer