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13 Cards in this Set
- Front
- Back
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acute angle
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angle with a measure of greater than 0° and less than 90°
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obtuse angle
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angle with a measure of greater than 90° and less than 1800°
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right angle
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angle with a measure of 90°
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straight angle
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angle with a measure of 180°
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complementary angles
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2 angles when added = 90°
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supplementary angles
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2 angles when added = 180°
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vertical angles
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2 angles opposite from each other with a common vertex
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parallel lines
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2 lines that NEVER intersect
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perpendicular lines
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2 lines that intersect @ 90°
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transversal
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a line that intersects two or more lines at different points
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corresponding angles
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angles in the same location at the intersection of 2 parallel lines & a transversal which are congruent
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alternate interior angles
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angles that are inside 2 parallel lines but diagonal across the transversal, which are congruent
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alternate exterior angles
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angles that are outside 2 parallel lines but diagonal across the transversal, which are congruent
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