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Vocabulary for Geometry_6.3

base of a polyhedron The two parallel congruent faces of a polyhedron.
cross section The intersection of a solid and a plane.
edge A line that connects two nodes in a network.
face of a polyhedron The flat surface of a polyhedron.
Platonic solid The five regular polyhedra: tetrahedron, hexahedron, octahedron, dodecahedron, and icosahedron.
polyhedron A solid with all flat surfaces that enclose a single region of space.
prism A polyhedron with two parallel congruent faces called bases connected by parallelogram faces.
regular polyhedron A polyhedron is a regular polyhedron if all its faces are regular congruent polygons and all of the edges are congruent.
vertex of a polyhedron The point where three or more edges intersect.
Created by: mtoepper