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33 Cards in this Set
- Front
- Back
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polyhedron
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a solid that is bounded by polygons called faces that enclose a single region of space
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face
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the polygons on a polyhedron
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edge
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a line segment formed by the intersections of two faces of a polyhedron
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regular polyhedron
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a polyhedron whose faces are all congruent regular
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cross section
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the intersection of a plane and a solid
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platonic solids
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fine regular polyhedral
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tetrahedron
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a polyhedron with four faces
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octahedron
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a polyhedron with eight faces
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dodecahedron
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a polyhedron with twelve faces
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icosahedron
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a polyhedron with twenty faces
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prism
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a polyhedron with two congruent faces, called bases that lie in parallel planes
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right prism
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a prism whose lateral edges are perpendicular to both bases
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oblique prism
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a prism whose lateral edges are not perpendicular to the bases
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surface area of a polyhedron
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the sum of the areas of its faces
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lateral area of a polyhedron
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the sum of the areas of the lateral faces of a polyhedron
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net
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a two-demensional representation of all the faces of a polyhedron
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cylinder
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a solid with congruent circular bases that lie in parallel planes
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right cylinder
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a cylinder such that the segment joining the centers of the bases is perpendicular to the bases
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lateral area of a cylinder
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the area of the curved surface of a cylinder
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surface area of a cylinder
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the sum of the lateral area of the cylinder and the areas of the two bases
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pyramid
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a polyhedron in which the base is a polygon and the later-faces are triangles with a common vertex
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circular cone
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the solid with a circular base and a vertex that is not in the same plane as the base
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lateral surface of a cone
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the consists of all segments that connect the vertex with points on the edge of the base
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right cone
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a cone with a vertex that lies directly above the center of the base
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volume of a solid
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the number of cubic units contained in the interior of a solid
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sphere
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the locus of points in space that are a given distance from a point called the center of the sphere
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center of a sphere
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the center point
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radius of a sphere
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from the center to the side
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chord of a sphere
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a segment whose endpoints are on the sphere
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diameter of a sphere
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a chord that contains the center of the sphere
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great circle
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the intersection of a sphere and a plane the contains the center of the sphere
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hemisphere
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half of a sphere
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similar solids
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two solids with equal ratios of corresponding linear measures
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