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vocabulary

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
acute angle   less than 90 degrees  
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angle   made of 2 rays connected at their endpoints, the point where they connest is the vertex  
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angle bisector   cutting angle into two congruent angles  
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collinear points   points that lie on the same line  
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congruent angles   angles with the same measurements  
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congruent segments   two segments with the same length "~ over = sign" means " congruent to"  
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conjecture   a conclusion reached through inductive reasoning(remember the conjecture seems, but it is unproven)  
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coordinate   The coordinate of a point ios its distance and direction from the origin of a number line  
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coplanor   points & lines in the same plane  
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counterexample   a single couter example is enough to disprove a conjecture  
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inductive reasoning   is reasoning based on ibserved patterns (we assume the observed pattern will continue)  
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line   has no length, width, or thickness. It extends in 2 directions  
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midpoint   a point that divides a segment into two congruent segments  
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obtuse angle   more than 90 degrees  
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opposite rays   starts at the same point and goes in the opposite direction  
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parallel lines   are planes that do not intersect  
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perpendicular lines   lines that intersect to form right angles  
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plane   is a flat surface that has no thickness. It extenbd without end in all directions  
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point   has no length width or thickness but has a position  
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postulate   statement accepted to be true without proof  
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ray   a part nof a line that consist of an intial point and all points on the line that liee on side of the initial point  
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right angle   exactly 90 degrees  
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segment   a portion of a line  
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skew lines   are noncoplanor lines therefore they are not parallel and do not intersect  
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space   3 dimensional set of all points boundless  
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Created by: breanicole
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