Question

 In a cylinder, radius is doubled and height is halved, curved surface area will be​

Answer 1

Step-by-step explanation:

please mark brain list....

Answer 2

Answer:

Good morning

Step-by-step explanation:

Curved surface area of cylinder is 2πrh.

Given, R=2r,H=

2

h

Therefore, curved surface area of the cylinder=2πRH

=2π(2r)(

2

h

)

=2πrh