Question 750479
The volume of a cone is given by
(1) V = B*h/3 where
(2) B = {{{pi*r^2||| but you given B as
(3) B = {{{81*pi}}} and
(4) V = {{{108pi}}}
Substituting (3) and (4) into (1) yields
(5) {{{108*pi = 81*pi*h/3}}} or
(6) 108 = 27*h or
(7) h = 4
Answer: The height of the cone is 4cm.