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Geometry Vocabulary
By Stanley Kilgo
Geometry
Vocabulary
By Stanley Kilgo
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Adjacent Angles
Two angles that touch at the same point.
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Alternate Exterior Angles
A pair of two angles that are on opposite outside sides of the transversal.
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Alternate Interior Angles
A pair of two angles there are on the opposite inside sides of a transversal.
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Complementary Angles
Two angles when added up equal 90 degrees.
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Corresponding Angles
where two angles on a transversal are equal
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Supplementary Angles
two angles that add up to 180
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Parallel lines
two lines that don't touch
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Perpendicular Lines
Two lines that are 90 degrees to each other
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Transversal lines
A line that passes through two parallel lines
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Vertical Angles
Angles that are opposite each other.
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Perimeter
the outside of a shape
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Area
the inside of a shape
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Surface area
Area of a single surface
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Volume
how much a shape can hold
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Circumference
area around a circle
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Diamter
one side of a circle to another
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Radius
from the outside of a circle to the middle
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Face
one side of a 3D object
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Edge
where two faces meet
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Vertex
Where two edges meet
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