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Section 1

1. Section 1

1.18. Explore 2

Mathematics 20-3 Module 5

Section 1: Viewing and Representing 3-D Objects

 

Example

 

On isometric dot paper, draw the three-dimensional object defined by the following orthographic diagram.

 


caution

Note that the lines through the inside of the views represent changes in depth, height, or length.

 

This is an illustration of an orthographic diagram.

 

Solution

 

Watch Orthographic Three-Dimensional Object.

 

This play button opens Orthographic Three-Dimensional Object.

 

Self-Check 1

  1. What three-dimensional object do the following views define?

    This is an image of a blue circle with the words top and bottom below the circle, and a yellow rectangle with the word side below the shape.

    Answer

You will need to print isometric paper for the following question. You may also wish to print graph paper if you wish to copy the orthographic diagrams given in the question.

  1. On isometric dot paper, draw the three-dimensional object that is defined by the following views.

    This is an illustration of three orthographic views.

    Answer

glossary

It is now time to add new math terms to your Mathematics 20-3: Glossary Terms document.


The new terms you will add in this lesson are

  • orthographic views
  • nets