question_answer

A well is to be dug \[20\text{ }m\] deep, \[2.25\text{ }m\] inside diameter, with a brick lining of \[0.35m\]thickness. What is the amount of brick work done?

A)  \[14.75\,{{m}^{3}}\]                      

B)  \[57.2\,{{m}^{3}}\]        

C)         \[136.75\,{{m}^{3}}\]   

D)         \[572\,{{m}^{3}}\]