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learn or DIE!!!!!!!!

parrel lines

2 lines on a plane that never intersept


a line that intersects 2 parrel lines to form 8 angles

external angles

angles that lie outside of the parrel lines

internal angles

angles that lie inside of the parrel lines

alternet exterier angles

angles that are on the opposite side of the transversal and outside parrel lines

alternet interier angles

angles that are on the opposite side of the transversal and inside parrel lines

corresponding angles

angles in same position on parrel lines in relation to the transversal

vertical angles

2 pairs of opposite angles formed by intersecting lines

ajacent angles

angles that share a common side and have a common vertex

complentery angles

2 angles whose sum is 90

sumplementary angles

2 angles whose sum is 180

perpendictular lines

lines that intersect to form a right angle

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