2. A pup tent has a rectangular floor, two rectangular

sides, and two triangular sides. Which geometric

shape best models a pup tent?

A rectangular prism

B triangular pyramid

C rectangular pyramid

D triangular prism

The pup tent is a triangular prism ⇒ D

Step-by-step explanation:

Lets describe each shape

Rectangular prism has

6 faces All the faces are rectangles

Triangular pyramid has

4 faces, 1 base and 3 side faces All the faces are triangles

Rectangular pyramid has

5 faces, 1 base and 4 side faces The base is a rectangle and the 4 side faces are triangles

Triangular prism has

6 faces The 2 faces are triangles and the 4 faces are rectangles

∵ The pup tent has a rectangular floor

∵ It has two rectangular sides

∵ It has two triangular sides

∴ The tent has 5 faces, 2 triangular faces and 3 rectangular faces

- That means the tent is a triangular prism

∴ The pup tent is a triangular prism