9-7 - Pentagonal Prism Pyramids A pyramid is a 3D figure...

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Three-Dimensional Figures and Spatial Reasoning Lesson 9-7

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Vocabulary A three-dimensional figure is a figure that does not lie in a plane. It has three dimensions: length, width, and height. A face is a flat surface on a 3D figure. An edge is a segment where two faces meet. A vertex is a point where two or more edges meet.
Prisms A prism is a 3D figure with two parallel and congruent faces that are polygons. These faces are called bases . The lateral (side) faces are rectangles. Prisms are named for the type of bases they have. Rectangular Prism

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Unformatted text preview: Pentagonal Prism Pyramids A pyramid is a 3D figure with one polygon for a base. The other faces are triangles, and they connect at one vertex called the apex . A pyramid is named for its base. Rectangular Pyramid Triangular Pyramid Other 3D Shapes A cylinder has two congruent parallel bases that are circles. The lateral side is a rectangle A cone has one circular base and one vertex. A sphere has no base. What is this shape? _____________________________ Octagonal prism Homework Time...
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This note was uploaded on 11/17/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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9-7 - Pentagonal Prism Pyramids A pyramid is a 3D figure...

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