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11 Cards in this Set
- Front
- Back
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Acute angles
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Angles that measure less than 90 degrees
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Obtuse angles
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Angles that measure between 90 and 180 degrees
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Straight angles
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Angles that measure exactly 180 degrees
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Right angles
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Angles that measure exactly 90 degrees
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Complementary angles
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The sum of two angles equals 90 degrees
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Supplementary angles
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The sum of two angles equals 180 degrees.
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Congruent
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equal
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Parallel lines
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Two lines the same distance apart
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Transversal
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A line that intersects two other lines
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Corresponding angles
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Congruent angles in matching corners when a transversal crosses two parallel lines
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Vertical angles
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Opposite angles when two lines intersect. They are also congruent angles.
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