Question

if the radius of a cylinder is r and it's height is 2r ,then the cuverd surface area of a cylinder is ?​

Answer 1

Answer :88cm

Step-by-step explanation:

Given, radius of cylinder =2 cm and height of cylinder =7 cm

∴ curved surface area of cylinder =2πrh

= 2π×2×7

= 88cm  

Answer 2

Answer:

We know that the curved surface area of a cylinder is 2πrh, when the radius is “r” and height is “h”.

Step-by-step explanation:

i hope it help you