Question

A circular well of 21 m depth is dug up such that the radius ofwell is 1.5m what is volume of earth dug out

Answer 1

heya friend here is your answer
Here is wat u need is given over here
height,h=21m
radius,r=1.5m
volume of earth dug out= pi*r ^{2}*h 
                                       =22/7*1.5*1.5*21
                                       =148.5