Question

The height of a cone is 5 cm. Find the height of another cone, sixteen times its volume and radius equal to two and a half times the radius of the first.​

Answer 1

Answer:

Volume of the sphere=

3

4

π.5

3

=

3

500

π

Volume of the cone =

3

1

πr

2

.

2

5

=

6

5

πr

2

∴

6

5

πr

2

=

3

500

π⇒r=10

2