1. Section 1

1.4. Refresher

Mathematics 20-3 Module 5

Section 1: Viewing and Representing 3-D Objects

 

Refresher

 

If you don't know the answers in Are You Ready?, or require more information, then study rectangular prisms as examples of three-dimensional objects in the graphics that follow.

 

Three-Dimensional Object

 

Initial Definition

 

A three-dimensional object has length, width, and height. In mathematics, the word figure is used for a mathematical model of real-world objects with common geometric attributes.

 

Example

 

A right-rectangular prism is one example of a three-dimensional figure.

 

These are images of prisms as three-dimensional figures.

 

These are images of prisms as three-dimensional figures.

 

Go back to Are You Ready? and try the questions again. Contact your teacher if you continue to have difficulty with the questions.