Q. 14

Asked by Rayeesa | 6th May, 2018, 01:51: PM

Expert Answer:

Let height of a cone be h, radius of a cone be r and d is the diameter.
d = 2r
According to the question,
h = 3d
h = 3 × 2r
h = 6r → r = h/6
Also,
Volume of a cone = ∏r2 h/3
54∏ = ∏(h/6)2 h/3
h3 / 108 = 54
Solving we get 
h= 18 cm.
Height of a cone is 18 cm.

Answered by Sneha shidid | 7th May, 2018, 11:11: AM