Question

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

Answer 1

Radius =3.5*100/2 =175cm(1m=100cm)
Height =1200cm
Vol of cone =1/3πr²h
=1/3*22/7*175*175*1200
=10000*22
=220000cm³
=220000/1000litres (1000cm³=1lit)
=220litres

Answer 2

Answer:

Plz refer to the attachment !!