Definition of Lateral Faces
The faces that join the bases of a solid are called Lateral Faces.
More About Lateral Faces
Lateral faces do not include the bases of a solid.
Example of Lateral Faces
The figure given above is a hexagonal prism and it has six lateral faces and two bases.
Video Examples: Angle between lateral faces of pyramid
Solved Example on Lateral Faces
Ques: How many lateral faces does a regular pentagonal prism have?
Correct Answer: A
Step 1: A regular pentagonal prism looks like the figure given below.
Step 2: It has two parallel and congruent pentagonal faces called bases.
Step 3: The faces that join the bases of a prism are called lateral faces.
Step 4: Five rectangles join the bases (pentagons) of a pentagonal prism.
Step 5: So, a regular pentagonal prism has 5 lateral faces.