*1.2 Drawings, Nets, Models

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1.2 Drawings, Nets, Models

• Essential Questions
• 1) What are isometric and orthographic drawings?
• 2) What are nets?

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• You will study both two-dimensional and
  three-dimensional figures in geometry.
• Isometric drawings show three sides of a figure
  from a corner view.

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Ex 1-Isometric Drawing
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• An orthographic drawing is another way to show a
  three-dimensional figure it shows a top, front,
  and right-side views.

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Ex 2- Orthographic Drawing
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• A foundation drawing shows the base of a
  structure and the height of each part.
• Look at the foundation drawing of the Sears Tower
  in the book.

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Ex 3- Foundation Drawing
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• A net is a two-dimensional pattern that you can
  fold to form a three-dimensional figure.
• A net shows all of the surfaces of a figure in
  one view.
• Think of it as unfolding the figure.

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Ex 4-Identifying Solids from Nets
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Ex 5- Drawing a Net
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Summary

• Answer the essential questions in complete
  sentences.
• 1) What are isometric and orthographic drawings?
• 2) What are nets?
• STUDY QUESTIONS Write 1-3 study questions in the
  left column to help study and explain the notes.