Question

if the radius of cylinder is doubled and the height is held find its volume​

Answer 1

Answer:

4πr²h

Step-by-step explanation:

Given,

Radius of Cylinder = 2r

Height of Cylinder = h

So,

Volume of Cylinder = πr²h

= π × (2r)² × h

= π × 4r² × h

= 4πr²h