An Important Question of class 10 Based on Mensuration Chapter of M.L Aggarwal for ICSE BOARD.
Here the volume and height of a right circular cone is given , find the diameter of its base.
This is the Question Number 08, Exercise 17.2 of M.L Aggarwal.
Deepak BoraNewbie
If the volume of a right circular cone of height 9 cm is 48 pi cm cube , find the diameter of its base.
Share
Given height of a cone, h = 9 cm
Volume of the cone = 48
(1/3)r2h = 48
(1/3)r2×9 = 48
3r2 = 48
r2 = 48/3 = 16
r = 4
So diameter = 2×radius
= 2×4
= 8 cm
Hence the diameter of the cone is 8 cm.