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Concept
Polyhedron
A
polyhedron
is a
three-dimensional
figure whose surfaces are
polygons
. Each of these polygons is a
face
of the polyhedron. An
edge
is a
segment
formed by the
intersection
of two faces. A
vertex
is a point where three or more edges meet.
Some common examples of polyhedrons are
cubes
,
prisms
, and
pyramids
.
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