Question

in each figure below, a plane passes through a geometric solid as shown. for each figure, choose the shape of the cross section formed. figure cross section (a) image of a geometric solid with a plane shapes: square, circle, semicircle, hexagon, pentagon, triangle (b) image of a geometric solid with a plane shapes: square, circle, semicircle, hexagon, pentagon, triangle

Explanation:

Step1: Analyze figure (a)

The solid is a prism. When a plane cuts through it as shown, the cross - section is a triangle.

Step2: Analyze figure (b)

The solid is a pyramid. When a plane cuts through it as shown, the cross - section is a triangle.

Answer:

(a) Triangle; (b) Triangle