Unit 3 - Parallel and Perpendicular Lines
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Last updated 11:31 PM on 11/1/22
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9 Terms
1
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Parallel lines
Two coplanar lines that never intersect, indicated by arrows
2
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Parallel planes
Planes which never intersect
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Skew lines
non-coplanar lines that never intersect
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transversal
a line that intersects two or more lines
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corresponding angles
Angles on the same side of the transversal, and in the same position. congruent when two parallel lines are cut by a transversal
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alternate interior angles
interior angles, non-adjacent, and on opposite sides of the transversal. congruent when two parallel lines are cut by a transversal
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alternate exterior angles
exterior angles, non-adjacent, and on opposite sides of the transversal. congruent when two parallel lines are cut by a transversal
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consecutive (same-side) interior angles
interior angles that are on the same side of the transversal. supplementary when two parallel lines are cut by a transversal
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consecutive (same-side) exterior angles
exterior angles that are on the same side of the transversal. supplementary when two parallel lines are cut by a transversal