a solid right circular cone of radius 4cm and height 7cm is melted to form a sphere.Find the radius of the sphere.
Answers
Answered by
9
According to question
It is given that
Radius of Cone R = 4 Cm
Height = H = 7 Cm
Let radius of sphere be r
Thus
Volume of Cone = pi r^2 l
= pi * 16 * 7
Thus
Volume of Cone = n* Volume of Sphere
pi * 16 * 7 = 4/3 pi r ^3
r^3 = 21 * 4
r^3 = 84
Thus r = 2 root 21
It is given that
Radius of Cone R = 4 Cm
Height = H = 7 Cm
Let radius of sphere be r
Thus
Volume of Cone = pi r^2 l
= pi * 16 * 7
Thus
Volume of Cone = n* Volume of Sphere
pi * 16 * 7 = 4/3 pi r ^3
r^3 = 21 * 4
r^3 = 84
Thus r = 2 root 21
Similar questions