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geometry vocabulary

acute angle an angle whose measure is less than 90 degrees
angle an angle is formed by two rays with the same end point
angle bisector a ray that divides an angle into rays with the same endpoint
collinear points points that lie on the same line.
congruent angles are angles that divides an angle into congruent angles
congruents segments are segments that have the same lenghts
conjecure a conclusion reached through inductive reasoning
coordinate a point an a capital letter
coplanar point and line in the same place.
counter example enough to prove a conjecture false
inductive reasoning reasoning based on observations
line has lenght but no width or thickness. it exteds without end in two directions.
perpendicular lines are line that intersect and from right angles
plane a flat surface that and form right angles
point has no lenght, width or thickness, but has a position
postulate astament accepted to be true without proof
ray the part of a line consisting of one end point on the line of one side of the end point
right angle 90 degrees
segment a part of two points called and points between them
skew lines lines that are parrallel and they go in opposite directions
space the boundless 3-demensional set of all points
Created by: Mr.timster