Question

Q.9 A metallic spherical shell of internal and external diameters 4 cm and
8 cm, respectively is melted and recast into the form a cone of base
diameter 8 cm. The height of the cone is?​

Answer 1

Answer:

Given that volume of cone = volume of sphere

3

1

πr

1

2

h=

3

4

π[R

3

−r

3

]

16h=4[4

3

−2

3

]

4h=56

h=14 cm