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 Flashcards Matching Hangman Crossword Type In Quiz Test StudyStack Study Table Bug Match Hungry Bug Unscramble Chopped Targets

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# Unit 2 vocabulary.

### Vocabulary

Acute Angles Less than 90 degrees.
Congruent Angles Angles that have the same measurement.
Coplanar Points and lines in the same plane are coplanar.
Midpoint a point that divides a segment into ntwo congruent segments.
Perpendicular lines lines that intersect to form right angles.
ray a ray is part of a line that consists of an initial point and all point on the line that lies on one side of the inital points.
Space is the boundless three-dimensional set of all points.
Angle two rays that are connected at their end points.
Congruent segmants two segments with the same length.
Counterexample an example that prove an conjecture is false
Obtuse Angle More than 90 degrees
plane a plane is a flat surface that has no thickness. it extends without ending all directions.
Right angle exactly 90 degrees
Angle bisector ray that divides an angle into two congtrnt angles
Conjecture is a conclusion reaches by using inductive reasoning
inductive reasoning is a type of reasioning that reaches conclutions based on a patteren of spefic examples or past events
opposite rays start at the same point and give in opposite directions.
point a point has no length, width, or thickness. it extends without end in two directions.
segements is part of a line consisting of two points called end points
collinear points points that lie on the same line
coordinate of a point is its distance and direction
line undefined
parallel lines Parallel lines are copalanr lines that do not intersect.
postulate a statement accepted to be true without proof
skew lines are non conplanar lines. Therefore, they are not parallel and mdo not iontersect.
Created by: Serenity Rouchon