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Line Relationships. Alternate Interior. Alternate interior angles are two congruent interior angles that lie on different parallel lines and on opposite sides of a transversal Transversal line is a line that passes through two or more other coplanar lines at different points.
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Alternate Interior • Alternate interior angles are two congruent interior angles that lie on different parallel lines and on opposite sides of a transversal • Transversal line is a line that passes through two or more other coplanar lines at different points
Alternate exterior angles • Alternate exterior angles are two congruent exterior angles that lie on different parallel line and on opposite sides of a transversal.
Parallel Lines • Parallel lines are lines that never intersect
Perpendicular Angles • Perpendiculars lines are lines that intersect.
Corresponding Angles • When two lines are crossed by another line