1-1: nets and drawings visualizing geometry. nets vs. solids geogebra nets cube, rectangular...
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1-1: Nets and Drawings
Visualizing Geometry
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Nets vs. Solids
Geogebra Nets
Cube, Rectangular Prism, Cylinder, Cone, Octahedron
Net – a 2D diagram that shows all the surfaces of a 3D figure
3D cylinder
Net of cylinder
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Isometric Drawings
Isometric Drawing – a drawing that shows a corner view of a three-dimensional figure.
Slanted lines represent depth
Isometric Dot Paper can be used to draw solids
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Isometric Drawings
Example 1:
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Isometric Drawings
Example 2:
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Drawing Nets
Draw a net for the following figure.
3 in.
10 in.
4 in.
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Take Home Message
3D shapes can be view as 2D shapes
Nets will help us solve for surface area
Geometry is all around us
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