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LM Geometry 2

Unit 2 Vocabulary Project

acute angle an angle whose measure is between 0 and 90.
angle two rays connected cut their endpoints.(the point is where they connect called the vertex)
angle bisector a ray that divides an angle into two congruent angles
collinear points lie on the same line
congruent angles angles that have the same measure
congruent segments segments with the same length
Conjecture a conclusion reached by using inductive reasoning
Coordinate a point on a line or plane
Coplanar points or lines on same plane
counterexample is a conclusion reached through inductive reasoning
inductive reasoning is based on observed patterns
line has no length,no width, or thickness. It extends without end in two directions.
midpoint a point that divides a segment into two congruent segments
obtuse angle angle more than 90 degrees and less than 180 degrees
opposite rays starts at the same point and go in opposite direction
parallel lines are coplanar lines that do not intresct
perpendicular lines lines intersect to form right angle
plane is a flat surface that has no thickness. It extends without end in all direction. *at least 3 noncollinear points to name a plane
point has no length, width, or thickness just a postition
postulate an accepted statement of fact
ray is a part of a line that consits of an intital point and all points on the line that lie on one side of the intinal point
right angle a angle that mesaure 90 degrees
segment the part of the line consiting of two end points and all points between them
skew lines lines that do not lie on the same plane; are noncoplanar lines (they are not parallel&dont intersect)
space is the boundless 3-d set of all points
Created by: LaTeyana