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Fianal Vocab Review

acute angle an angle whose measure is between 0-90
right angle an angle whose measure is 90
obtuse angle an angle whose measure is 90-180
parallel lines two lines are parallel if they lie on the same plane and do not intersect
skew lines Skew or skew lines lie on different planes. They are neither parallel nor intersecting. Mathematics In geometry, straight lines in a space referred to as skew if they ...
perpendicular lines lines that intersect and form right angles.
collinear points points that lie on the same line
coplanar being or operating in the same plane
opposite rays are collinear rays with the same end point. They form a line.
perpendicular bisector The perpendicular bisector of a segment is a line, segment, or ray that is perpendicular to the segment at its midpoint.
segment part of a line consisting of two points called endpoints, and all points in between them.
ray part of a line consisting of one endpoint and all the points of the line on one side of the endpoint
line a series of points that extend in two directions
midpoint the point that divides a segment into two congruent segments
midsegment line in the center of a figure
complementary angles two angles that are complementary angles if the sum of their angles measures is 90
supplemenary angles two angles are supplementary if the sum of their measures is 180
adjacent angles two coplanar angles that have a common side and a common vertex but no common interior points.
multiplication property of equality if a=b, then a.c = b . c
addition property of equality if a = b than a + c = b + c
subtraction property of equality if a = b then a - c = b - c
division property of equality if a = b then c does not equal 0 then a/c + b/c
Created by: Painter208