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15 Cards in this Set
- Front
- Back
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Point |
A location represented by a dot |
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Line |
A long, thin, straight mark that extends infinitely in both directions |
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Line segment |
A part of a line that has an end point at either end |
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Ray |
A long, thin, straight mark that has an end point at one end and extends infinitely in one direction |
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Plane |
A flat surface that extends infinitely far |
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Angle |
A figure formed by two rays that extend from the same end point |
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Vertex |
The end point of an angle where the two rays begin |
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Right angle |
An angle that measures exactly 90o |
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Acute angle |
An angle that measures less than 90o |
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Obtuse angle |
An angle that measures more than 90o |
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Complementary angles |
Two angles that add up to 90o |
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Supplementary angles |
Two angles that add up to 180o |
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Congruent |
Two line segments that have the same length or two angles that have the same measure |
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Midpoint |
A point that divides a line segment into two congruent segments |
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Distance/length |
The measure between two points |
