A rectangular strip 25cm×7cm is rotated about the longer side. Find the volume of the solid thus generated
Answers
Answered by
3
as strip is rotated it forms a cylinder whose height= 25 cm, radius= 7/2 cm
volume of cylinder=pi*r*r*h
=22/7*7/2*7/2*25
=962.5 cm^3
volume of cylinder=pi*r*r*h
=22/7*7/2*7/2*25
=962.5 cm^3
Similar questions