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Definition Of Cylinder

A Cylinder is a three-dimensional geometric figure that has two congruent and parallel bases.

More About Cylinder

Right Cylinder: A right cylinder is a cylinder in which the centers of the bases are aligned directly one above the other.
Right Circular Cylinder: When the base of a right cylinder is a circle, it is called a right circular cylinder.

                             example of  Cylinder
Oblique Cylinder: When the centers of the bases of a cylinder are not aligned directly one above the other, it is called an oblique cylinder.

                         example of  Cylinder


Video Examples: Surface Area Of A Cylinder

Solved Example on Cylinder

Ques: Which of the following coincides with the axis of rotation of a right cylinder?


A. its altitude 
B. its base 
C. its surface area 
D. none of these
Correct Answer: A


Step 1: The altitude of a right cylinder coincides with its axis of rotation.