Question

A solid cylinder of radius 3cm and height 8cm is melted and formed into a cone

of radius 6 cm. Find the height of the cone.​

Answer 1

Answer:

Number of cylinders made =

Volumeofeachcylinder

Volumeofcone

Volume of a cone =

3

1

πr

2

h

where r is the radius of the base of the cone and h is the height.

Volumeof a Cylinder of Radius "R" and height "h" =πR

2

h

Hence, number of cylinders made =

π×4

2

×2

3

1

π×6

2

×8

=3