Question

1. select all the 3d figures that have a rectangular cross - section when sliced parallel to their bases. option 1 option 2 option 3 option 4

Explanation:

Step1: Analyze Option 1

A pyramid has a triangular - like cross - section parallel to its base (if base is triangular) or a similar - shaped cross - section to the base polygon, not rectangular.

Step2: Analyze Option 2

A cube (a special rectangular prism) has a square (a special rectangle) cross - section when sliced parallel to its base.

Step3: Analyze Option 3

A cylinder has a circular cross - section when sliced parallel to its base, not rectangular.

Step4: Analyze Option 4

A cone has a circular cross - section when sliced parallel to its base, not rectangular.

Step5: Analyze the last rectangular prism

A rectangular prism has a rectangular cross - section when sliced parallel to its base.

Answer:

Option 2, Option 5 (assuming the last figure is a rectangular prism)