Question

a) What do you mean by inner surface area?
b) What is inner surface area of cylinder and cone?
c) What is difference between curved surface area and the inner surface area?​

Answer 1

a) Inner surface area means Curved surface area.
b) Inner surface area of cylinder and cone is curved surface area of cylinder and cone.
c) Both are same

Answer 2

Hey genius...

a) It is similar as Curved Surface Area.

b) INS of cone is 1/3Πr2

INS of cylinder is Πr2

c) There is no difference