Prism
Definition of Prism

• A Prism is a Polyhedron consisting of two parallel, Congruent faces called bases.

More about Prism

• A Prism is named by the shape of its base.
• Triangular Prism: A Prism with triangular bases is a Triangular Prism.
• Rectangular Prism: A Prism with rectangular bases is a Rectangular Prism.
• Cube: A Prism with square bases is a cube. All six faces of a Cube are squares.
• Pentagonal Prism: A Prism with pentagonal bases is a Pentagonal Prism.
• Hexagonal Prism: A Prism with hexagonal bases is a Hexagonal Prism.
• Octagonal Prism: A Prism with octagonal bases is an Octagonal Prism.

Examples of Prism

• The following figure shows a few prisms.

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Solved Example on Prism

An octagonal Prism has ____.
Choices:
A. one vertex
B. eight Congruent faces and one base
C. six Congruent lateral faces
D. eight Lateral Faces that are congruent
Correct Answer: D
Solution:
Step 1: An octagonal Prism has eight Lateral Faces that are Congruent and two parallel Congruent octagonal bases.

Related Terms for Prism

• Polyhedron
• Congruent
• Face
• Base
• Parallel

Additional Links for Prism

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