Intersecting lines - lines that meet at exactly one point, perpendicular lines - lines that intersect at right angles, right angle - an angle that is 90 degrees, parallel lines - lines that are the same distance apart, never meet, obtuse angle - an angle that is greater than 90 degrees and less than 180 degrees, vertical angles - a pair of angles with equal measure that are on opposite sides of 2 intersecting lines (make a V), straight angle - an angle that is 180 degrees, acute angle - an angle that is less than 90 degrees, complementary angles - 2 angles that add up to 90 degrees, supplementary angles - 2 angles that add up to 180 degrees, adjacent angles - 2 angles next to each other with a common side and common vertex,

Math Flashcards on Angles

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