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Angle Relationships
Terms- Angle relationships with transversal lines
| Term | Definition |
|---|---|
| corresponding angles | angles in the same relative position; angles in matching corners; congruent |
| vertical angles | pairs of opposite angles formed by two intersecting lines; congruent and share a vertex |
| linear pair | adjacent angles formed by intersecting lines that add up to 180; supplementary |
| alternate interior angles | angles inside the parallel lines and on opposite sides of the transversal; congruent |
| alternate exterior angles | angles outside the parallel lines and on opposite sides of the transversal; congruent |
| same-side interior angles | angles inside the parallel lines and on the same side of the transversal; supplementary - 180 |
| same-side exterior angles | angles outside the parallel lines and on the same side of the transversal; supplementary -180 |
| complementary angles | two angles with the sum of 90 degrees |
| supplementary angles | two angles with the sum of 180 degrees |