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polyhedron

a three-dimensional figure whose surfaces are polygons

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face

Each polygon is a ____ of the polyhedron

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edge

a segment that is formed by the intersection of two faces

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vertex

a point where three or more edges intersect

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net

a two-dimensional pattern that you can fold to form a three-dimensional figure

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cube

a polyhedron with six faces, eaqch of which is a square

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F + V = E + 2

Euler's Formula

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prism

a polyhedron with exactly two congruent, parallel faces

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bases

the two congruent, parallel faces, called _____

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lateral faces

all of the other faces that are not bases

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altitude

a perpendicular segment that joins the planes of the bases

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height

the length of an altitude

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right prism

In a ____ _____ the lateral faces are rectangles and a lateral edge is an altitude

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lateral area

the sum of the areas of the lateral faces

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surface area

the sum of the lateral area and the area of the two bases

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cylinder

Has two congruent bases and the bases are circles

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pyramid

a polyhedron in which one face can by any polygon and the other faces are triangles that meet at a common vertex

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altitude

the perpendicular segment from the vertex to the plane of the base

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regular pyramid

a pyramid whose base is a regular polygon and whose lateral faces are congruent isosceles triangles

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slant height

the length of the altitude of a lateral face of the pyramid

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lateral area

____ ____ of a pyramid is the sum of the areas of the congruent lateral faces.

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volume

the space that a figure occupies

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sphere

the set of all points in space equidistant from a given point called the center.

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