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 Related Terms
 Vertex of a 3D Object:  The point(s) where the edges of a 3D object intersect.
Vertex of a Polygon: The common endpoint of two line segments that serve as two sides of a polygon.
Solid: A figure that has length, width, and thickness (i.e., a figure that is 3-dimensional).
Adjacent Faces: Two faces of a polyhedron that share a common edge.
Edge: The intersection of a pair of faces in a three-dimensional figure.
Face: One of the polygons that makes up a polyhedron.
Polyhedron: A 3-dimensional figure that has polygons as faces.