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Math

Three-Dimensional figures

TermDefinition
polyhedron a 3-dimensional object in which all the flat surfaces or faces are polygons
face a flat surface of a polyhedron
edge the line segment along which two faces of a polyhedron intersect
vertex the point on a polyhedron at which 3 or more faces meet; on a cone or pyramid, the top point
prism a polyhedron that has two congruent, polygon-shaped bases and other faces that are all parallelograms
base a face of a 3-dimensional figure by which the figure is measured or classified
pyramid a polyhedron with a polygon base and triangular sides share a vertex
cylinder a 3-dimensional figure with two parallel congruent circular bases connected by a curved lateral surface
cone a 3-dimensional figure with one vertex and one circular base
Created by: teresagoodman
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