Question

A solid sphere of radius r is melted and cast into the shape of a solid cone of radius equal to diameter of the sphere. The height of the cone is?

Answer 1

Answer:

R=2r

Step-by-step explanation:

Just equivalate the formula and derive the value...

Answer 2

Answer:

Let R be the radius of the base of the cone so that

3

1

πR

2

r=

3

4

πr

3

⇒R=2r