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H Geom chap 3 vocab

parallel lines lines that are coplanar and do not intersect
perpendicular lines lines that intersect at a 90* angle
skew lines lines not coplanar---not parallel and do not exist
parallel planes planes that do not intersect
transversal a line that intersects two coplanar lines at two different points
corresponding angles 2 angles that lie on the same side of the transversal and on the same sides of parallel lines
alternate interior angles nonadjacent angles that lie on opposite sides of the transversal and between the parallel lines
alternate exterior angles 2 angles lie on opposite sides of the transversal and outside the parallel lines
same-side interior angles angles that lie on the same side of the transversal and between the parallel lines
perpendicular bisector line perpendicular to a segment at the segment's midpoint
distance from a point to a line length of the perpendicular segment from the point to the line
rise difference in the y-values of 2 points on a line
run difference in the x-values of 2 points on a line
slope ratio of rise to run
Created by: rachel schmelzer
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