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Additional
Prism (geometry)
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Prism (geometry)
In
geometry
, a
prism
is a
polyhedron
with an
n
-sided
polygonal
base
, another
congruent
parallel
base (with the same
rotational orientation
), and
n
other
faces
(necessarily all
parallelograms
) joining
corresponding sides
of the two bases. All
cross-sections
parallel to the base faces are congruent to the bases. Prisms are named for their base, so a prism with a
pentagonal
base is called a pentagonal prism. The prisms are a subclass of the
prismatoids
.
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