Question

A conical pit having top diameter 4.2m and is 15m deep . What is its capacity in litres

Answer 1

Volume of conical pit=1/3Πr²h
=1/3*22/7*2.1*2.1*15
=22*2.1*2.1*5/7
=4.41*110/7
=485.1/7
=69.3m³
1m³=1000 litres
69.3m³=69300 litres

Answer 2

this is the answer which class u r studying