Question

how many curved surfaces does a cylinder have​

Answer 1

A cylinder has 1 Curved Surface

Answer 2

$\huge\sf\underline{Answer}:$

1 curved face

Another word for corners is vertices. A face is the part of the shape that has the largest surface area – some can be flat, some can be curved e.g. a cube has 6 flat faces whereas a cylinder has 2 flat faces and 1 curved face.