Question

1. name the solid that would be formed by the shape about a given axis. a) frustum b) sphere c) cylinder d) cone 14. which of the following shows a triangle cross - section? a) b) c) d)

Explanation:

Step1: Recall cross - section concept

A cross - section is the shape obtained by cutting a solid with a plane.

Step2: Analyze each option

• Option a: The cross - section is a trapezoid.
• Option b: The cross - section is a circle.
• Option c: When a pyramid is cut parallel to its base, the cross - section is a polygon similar to the base. When cut at an angle, it can be a triangle.
• Option d: The cross - section is a non - triangular polygon.

Answer:

c)