Geometry Concepts
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This set of flashcards covers basic geometry concepts including lines, line segments, rays, angles, and their relationships.
Last updated 3:44 AM on 4/25/25
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9 Terms
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Line
A line that continues forever in both directions.
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Line Segment
A part of a line that has two endpoints.
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Ray
A line with only one endpoint.
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Parallel Lines
Lines that are always the same distance apart and never intersect.
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Vertex
The point of intersection of rays or angles that form an angle.
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Right Angle
An angle that measures 90 degrees.
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Perpendicular Lines
Two lines that form a right angle.
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Complementary angle
Two angles whose sum is 90°
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Supplementary angle
Two angles whose sum is 180°
Flashcards (46)