A conical pit of top diameter 3.5m is 12m deep. What is its capacity in kilolitres?

Explanation

A conical pit of top diameter 3.5m is 12m deep

so `r=d/2=3.5/2`

`h=12m`

so volume `=(1/3)pi(r^2)h`

`=(1/3)pi((3.5/2)^2)12`

`=38.5m^3`

so capacity in litre`=38.5xx1000=38500litre`