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angle relationship
sol 8.6
Question | Answer |
---|---|
acute angle | measures less than 90° |
right angle | measures 90° |
obtuse angle | measures between 90° and 180° |
straight angle | measures 180° |
complementary angles | 2 angles with a sum of measures = 90° |
supplementary angles | 2 angles with a sum of measures = 180° |
ray | a part of a line that has one endpoint and extends without end in one direction |
vertex | a point at which two sides of angle meet |
vertical angles | two nonadjacent angles formed by intersecting lines |
adjacent | (side by side) two angles that share a common side and have the same vertex. |
parallel lines | two lines in the same plane that do not intersect |
transversal | a line that crosses at least two other lines. |