The surface formed by the points at a fixed distance from a given straight line called the axis of the cylinder. .
A right circular cylinder with radius r and height h.
Volume of the cylinder: π × r² × h
Surace area of the cylinder: 2 × π × r × (r + h)
Number of faces : 2
Real life objects in cylindrical shape are Pipe, Battery , Candle , Piston etc.