Angles, parallel lines, & transversals
7:07
Khan AcademySal Khan
Angles, parallel lines, & transversals
Parallel lines are lines in the same plane that go in the same direction and never intersect. When a third line, called a transversal, crosses these parallel lines, it creates angles. Some angles are equal, like vertical angles (opposite angles) and corresponding angles (same position at each intersection).
Sep 22, 2011
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