Question

tell what shape is created by each cross - section. 1. 2. 3. 4.

Explanation:

Step1: Analyze cross - section 1

The cross - section of the rectangular prism is a parallelogram as the cutting plane is at an angle to the faces of the prism.

Step2: Analyze cross - section 2

The cross - section of the triangular pyramid is a triangle as the cutting plane intersects three of its faces.

Step3: Analyze cross - section 3

The cross - section of the rectangular prism is a rectangle as the cutting plane is parallel to one of its faces.

Step4: Analyze cross - section 4

The cross - section of the triangular pyramid is a trapezoid as the cutting plane intersects four of its faces.

Answer:

1. Parallelogram
2. Triangle
3. Rectangle
4. Trapezoid