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Holt Mathematics Course 3 Chapter 7 Vocabulary partial
Terms in this set (20)
A perfectly straight path that extends forever in both directions
A part of a line that starts at one point and extends forever in one direction.
Segment (Line Segment)
The part of a line between two points
A point where two lines meet to form an angle
A figure that is formed by two rays with a common endpoint called the vertex.
An angle that measures 90 degrees
An angle that measures greater than 0 degrees and less than 90 degrees
An angle that measures greater than 90 degrees and less than 180 degrees
Two angles whose measures add to 90 degrees
Two angles whose measures add to 180 degrees
Having the same size and shape
A pair of nonadjacent congruent angles formed by intersecting lines
An angle that measures 180 degrees
A pair of angles that have a common vertex and a common side
Lines in a plane that never meet
Lines that intersect at right angles
A line that intersects 2 or more parallel lines
When parallel lines are cut by a transversal, the angles that are in the same position. They are congruent.
Alternate Interior Angles
Angles that are inside the parallel lines and on opposite sides of the transversal. They are congruent.
Alternate Exterior Angles
Angles that are outside the parallel lines and on opposite sides of the transversal. They are congruent.
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