UNIFORM CROSS SECTION
Definition of Uniform Cross Section
A Uniform Cross Section is the cross section of the solid, parallel to base, such that the resulting figure has the same shape and size as that of the base of the figure.
More About Uniform Cross Section

Solids like pyramids and cones have slant heights and hence do not have uniform cross section.

The uniform cross section of the given prism is a square.
Video Examples: How to Find the CrossSectional Area of a Cylinder, Given the Diameter

The uniform cross section of the given cylinder is a circle.
Solved Example on Uniform Cross Section
Ques: Choose the uniform cross section of the solid shown.
Choices:
A. Figure 3B. Figure 2
C. Figure 1
D. Figure 4
Correct Answer: B
Solution:

Step 1: The solid shown is a pentagonal prism
Step 2: The uniform cross section of the pentagonal prism is a pentagon
Step 3: So, Figure 2 is the uniform cross section of the solid shown
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