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33 Cards in this Set
 Front
 Back
polyhedron

a solid that is bounded by polygons called faces that enclose a single region of space


face

the polygons on a polyhedron


edge

a line segment formed by the intersections of two faces of a polyhedron


regular polyhedron

a polyhedron whose faces are all congruent regular


cross section

the intersection of a plane and a solid


platonic solids

fine regular polyhedral


tetrahedron

a polyhedron with four faces


octahedron

a polyhedron with eight faces


dodecahedron

a polyhedron with twelve faces


icosahedron

a polyhedron with twenty faces


prism

a polyhedron with two congruent faces, called bases that lie in parallel planes


right prism

a prism whose lateral edges are perpendicular to both bases


oblique prism

a prism whose lateral edges are not perpendicular to the bases


surface area of a polyhedron

the sum of the areas of its faces


lateral area of a polyhedron

the sum of the areas of the lateral faces of a polyhedron


net

a twodemensional representation of all the faces of a polyhedron


cylinder

a solid with congruent circular bases that lie in parallel planes


right cylinder

a cylinder such that the segment joining the centers of the bases is perpendicular to the bases


lateral area of a cylinder

the area of the curved surface of a cylinder


surface area of a cylinder

the sum of the lateral area of the cylinder and the areas of the two bases


pyramid

a polyhedron in which the base is a polygon and the laterfaces are triangles with a common vertex


circular cone

the solid with a circular base and a vertex that is not in the same plane as the base


lateral surface of a cone

the consists of all segments that connect the vertex with points on the edge of the base


right cone

a cone with a vertex that lies directly above the center of the base


volume of a solid

the number of cubic units contained in the interior of a solid


sphere

the locus of points in space that are a given distance from a point called the center of the sphere


center of a sphere

the center point


radius of a sphere

from the center to the side


chord of a sphere

a segment whose endpoints are on the sphere


diameter of a sphere

a chord that contains the center of the sphere


great circle

the intersection of a sphere and a plane the contains the center of the sphere


hemisphere

half of a sphere


similar solids

two solids with equal ratios of corresponding linear measures
