Maharashtra State BoardSSC (English Medium) 6th Standard
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Concept of Cylinder

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notes

Concept of Cylinder:

  • A cylinder is a three-dimensional shape with two round shapes at either end and two parallel lines connecting the round ends. Bases are always parallel and congruent to each other.
  • A closed cylinder has two flat circular faces and one curved face.
  • The cylinder has two circular edges and no vertex. 

Type of Cylinder:

There are two types of cylinder:

1. Right Circular Cylinder: 

When the two bases of the cylinder are over each other in the exact position and the axis is at the right angle to the base, it is called the cylinder is a right cylinder.

If the bases are circular in shape, then it is called a Right circular cylinder.
If the bases are in an elliptical shape, then it is called an Elliptical Cylinder.

2. Oblique Cylinder:

When one of the bases of the cylinder is sideways and the axis is not a right angle to the base, then it is an oblique cylinder.

Properties of Cylinder:

  • A cylinder has only one curved side.
  • A cylinder has two identical flat ends that are circular or elliptical.
  • The bases are always congruent and parallel.
  • It is similar to the prism since it has the same cross-section everywhere.
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