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.
- 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.
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?
Choices: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.