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Math Vocab Ch 1.txt
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Acute Angle
Less than 90 degrees and greater than 0 degrees.
Angle
A figure formed by two rays with a common endpoint.
Angle Bisector
A ray that divides an angle into two congruent angles
Between
A point B that is between points A and C when they are all on the same line and AB+BC = AC
Bisect
To divide into two equal parts
Collinear
Points that lie on the same line
Coplanar
Points that lie on the same plane
Coordinate
The position of a point on a line
Distance
The absolute value of the difference between the coordinates
Endpoint
A point at one end of a segment / the starting point of a ray
Length
The distance between A and B
Midpoint
The point that divides a line into two equal segments
Obtuse Angle
Greater than 90 degrees and less than 180 degrees
Postulate
A statement accepted as true without proof; ex: Hayley is the awesomest person in the world, p;eriod.
Ray
Starts at an endpoint and extends in one direction
Opposite Rays
Two rays with a common endpoint that form a line.
Right angle
A 90-degree angle.
Segment
The part of a line consisting of two points and all points inbetween
Segment Bisector
Any ray, segment, or line that intersects a segment at its midpoint
Straight Angle
A 180-degree angle
Vertex
The common endpoint of two sides
Author
platypie8
ID
31955
Card Set
Math Vocab Ch 1.txt
Description
Geometry Chapter one vocab
Updated
2010-08-31T01:12:37Z
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