Question

a triangular prism is sliced horizontally parallel to its base as shown. what shape is the cross - section? trapezoid parallelogram square triangle

Explanation:

Step1: Recall prism - cross - section property

When a prism is sliced parallel to its base, the cross - section has the same shape as the base.

Step2: Identify the base of a triangular prism

The base of a triangular prism is a triangle. Since the slice is parallel to the base, the cross - section is a triangle.

Answer:

triangle