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Three–Dimensional Figures

Three–Dimensional Figures. Today you will learn to: identify and classify three-dimensional figures d escribe plane sections of right rectangular prisms and right rectangular pyramids. M07.C-G.1.1.4: Describe the two-dimensional figures that result from slicing three-dimensional figures.

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Three–Dimensional Figures

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  1. Three–Dimensional Figures Today you will learn to: identify and classify three-dimensional figures describe plane sections of right rectangular prisms and right rectangular pyramids. M07.C-G.1.1.4: Describe the two-dimensional figures that result from slicing three-dimensional figures.

  2. What are three-dimensional figures? • A three-dimensional figure is an object that has length, width, and height, which means that it can be measured in three directions. • A three-dimensional figure encloses a part of space; in other words it can hold something (water, air, etc.)

  3. Vertex Edge Faces Features of a Three-Dimensional Figure • Face- the flat surface of a figure • Edge- formed by two faces of a 3-D figure sharing a side • Vertex (plural: vertices)- the point at which three or more edges meet

  4. Two main types of Three-Dimensional Figures • Prism: • Has at least three faces that are rectangles • Has two congruent faces on the top and bottom called bases • The shape of the base tells what type of prism the figure is • Pyramid: • Has at least three faces that are triangles • Has only one base • The shape of the base tells what type of pyramid the figure is Rectangular Pyramid Triangular Pyramid Rectangular Prism

  5. Plane Intersections Rectangular Prism Rectangular Pyramid

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