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12 Cards in this Set
- Front
- Back
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Angles that are next to each other. they share a common side and a common vertex but no other overlap.
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adjacent angles
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Lines that are in the same plane and never cross.
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parallel lines
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two angles whose measure total 180 degrees
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supplementary angles
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an angle that measures more than 180 degrees but less than 360
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reflex angle
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an angle whose measure is 180 degrees
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straight angle
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a line that crosses two or more other lines
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transversal
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lines in space that do not intersect and are not parallel
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skew lines
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two angles whose measures 90 degrees
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complementary angles
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an angle that measures greater that 90 degrees but less that 180
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obtuse angle
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when 2 lines cross the angles that do not share a common side
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vertical angles
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an angle that measures exactly 90 degrees
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right angle
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less than 90 degrees
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acute angle
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