Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
6. Cross Sections of Three-Dimensional Figures
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Exercise 2 Page 440

The plane is parallel to the bases of the prism.

The intersection is a triangle.

Practice makes perfect
Let's take a look at the given diagram.
Intersection of triangular prism with a plane

The diagram shows the intersection of a plane and a triangular prism. We want to describe this intersection. The plane is parallel to the prism's bases, so the intersection is a triangle.