Download Geometry Vocabulary Notes Key

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Notes Geometry Vocabulary
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Word
Definition
Base of a
Polygon
A side of a polygon that is
perpendicular to its height
Height
A side of a polygon that is
perpendicular to its base
Parallelogram A quadrilateral with two
pairs of parallel sides
Quadrilateral
Any four-sided polygon
Trapezoid
A quadrilateral with exactly one
pair of parallel sides
Right Angle
An angle that measures 90°
Picture
Word
Area
Definition
The number of square units
needed to cover a
two-dimensional surface
Base of a
3D Shape
A face of a 3D figure by
which the figure is measured or
classified
Rectangular
Prism
A polyhedron whose bases are
rectangles and whose other
faces are rectangles
Volume
Parallel Lines
The number of cubic units
needed fill a three-dimensional
space
Lines in a plane that do not
intersect
Perpendicular Lines that intersect to form right
Lines
angles
Picture