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10 Cards in this Set
- Front
- Back
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parallel lines |
two or more lines that never intersect |
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perpendicular lines |
lines that intersect at a 90* angle. |
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vertical angles |
angles that share only a vertex and are diagonal from each other. they are congruent. |
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corresponiding angles |
angles that are in the same location in different places. they are congruent. |
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Complementary angles |
two or more angles that have a sum of 90* |
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supplementary angles |
two or more angles that have the sum of 180* |
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Traversal |
a line that intersects two or more lines |
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adjacent |
two angles that share both a vertex and a side "they are next to each other" |
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alternate interior angles |
inside the parallel lines on opposite sides of the traversal. they are congruent. |
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alternate exterior angles |
outside the parallel lines on opposite sides of the traversal. |
