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This instructional guide aims to enhance your understanding of nets of three-dimensional figures. A net is a flat pattern that unfolds into a 3D figure, providing insights into its bases, faces, and edges. Explore practical examples, such as visualizing a prism and pyramid as they unfold into their respective nets. You'll learn to describe the components of an octagonal prism's net, identifying the number and shape of bases and lateral faces. Engage with exercises to draw the nets of various 3D figures for hands-on practice.
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Objective: • Be able to draw or identify the net of a three-dimensional figure.
Notes: • A net is flat pattern of a 3-dimensional figure. It can provide us with an easy way to analyze the different bases, faces, edges, and even dimensions of any space figure.
Watch: Watch a prism unfold to a net. Watch a pyramid unfold to a net.
Example 1: • Describe the net of a octagonal prism. list the shapes that make up the net (bases & lateral faces), and write the number of each shape used to construct it. • There are ___ bases, each in the shape of a _________________. • There are ___ lateral faces, each in the shape of a ________________.
Example 2: • Draw a net for each of the following three-dimensional figures. A) B)
Example 2: C) D)
Example 2: E) F)
