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Goemetry

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
acute angle   angle less than 90 degres  
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angle   is made of two rays connected at their endpoints and the point where they connect is called the vertex  
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angle bisector   cuts an angle into congruent angles  
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collinear points   points that lie on the same line  
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congurent angles   angles that have the same measure  
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congurent segments   two segments with the same length.  
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conjecture   is a conclusion reached through inductive reasoning  
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coordinate   a point's distance and direction from the origin of a number line  
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coplanar   points and lines in the same plane  
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counterexample   is enough to disprove a conjecture  
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inductive reasoning   is a conclusion based on observed patterns  
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line   has no length, no width or thickness. It extends without end in two directions  
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midpoint   a point that gives a segment into two congruent segments  
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obtuse angle   a angle that measures above 90 degrees and less the 180 degrees  
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opposite rays   rays that start at the same point but go in opposite directions  
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parallel lines   are lines that don't intersect  
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perpendicular lines   lines that intersect to form right angles  
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plane   a flat surface that has no thickness  
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point   has no size but has a position  
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postulate   an accepted statment of fact  
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ray   the part of a line consisting of one endpoint  
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right angle   an angle measuring 80 degrees  
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segment   the part of a line consisting of two endpoints  
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skew lines   noncoplanar lines. therefore, they are not parallel and do not intersect  
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space   is the boundless 3-dimensional set of all points.  
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line   has no length, no width or thickness. It extends without end in two directions  
🗑
midpoint   a point that gives a segment into two congruent segments  
🗑
obtuse angle   a angle that measures above 90 degrees and less the 180 degrees  
🗑
opposite rays   rays that start at the same point but go in opposite directions  
🗑
parallel lines   are lines that don't intersect  
🗑
perpendicular lines   lines that intersect to form right angles  
🗑
plane   a flat surface that has no thickness  
🗑
point   has no size but has a position  
🗑
postulate   an accepted statment of fact  
🗑
ray   the part of a line consisting of one endpoint  
🗑
right angle   an angle measuring 80 degrees  
🗑
segment   the part of a line consisting of two endpoints  
🗑
skew lines   noncoplanar lines. therefore, they are not parallel and do not intersect  
🗑
space   is the boundless 3-dimensional set of all points.  
🗑
line   has no length, no width or thickness. It extends without end in two directions  
🗑
midpoint   a point that gives a segment into two congruent segments  
🗑
obtuse angle   a angle that measures above 90 degrees and less the 180 degrees  
🗑
opposite rays   rays that start at the same point but go in opposite directions  
🗑
parallel lines   are lines that don't intersect  
🗑
perpendicular lines   lines that intersect to form right angles  
🗑
plane   a flat surface that has no thickness  
🗑
point   has no size but has a position  
🗑
postulate   an accepted statment of fact  
🗑
ray   the part of a line consisting of one endpoint  
🗑
right angle   an angle measuring 80 degrees  
🗑
segment   the part of a line consisting of two endpoints  
🗑
skew lines   noncoplanar lines. therefore, they are not parallel and do not intersect  
🗑
space   is the boundless 3-dimensional set of all points.  
🗑
line   has no length, no width or thickness. It extends without end in two directions  
🗑
midpoint   a point that gives a segment into two congruent segments  
🗑
obtuse angle   a angle that measures above 90 degrees and less the 180 degrees  
🗑
opposite rays   rays that start at the same point but go in opposite directions  
🗑
parallel lines   are lines that don't intersect  
🗑
perpendicular lines   lines that intersect to form right angles  
🗑
plane   a flat surface that has no thickness  
🗑
point   has no size but has a position  
🗑
postulate   an accepted statment of fact  
🗑
ray   the part of a line consisting of one endpoint  
🗑
right angle   an angle measuring 80 degrees  
🗑
segment   the part of a line consisting of two endpoints  
🗑
skew lines   noncoplanar lines. therefore, they are not parallel and do not intersect  
🗑
space   is the boundless 3-dimensional set of all points.  
🗑
line   has no length, no width or thickness. It extends without end in two directions  
🗑
midpoint   a point that gives a segment into two congruent segments  
🗑
obtuse angle   a angle that measures above 90 degrees and less the 180 degrees  
🗑
opposite rays   rays that start at the same point but go in opposite directions  
🗑
parallel lines   are lines that don't intersect  
🗑
perpendicular lines   lines that intersect to form right angles  
🗑
plane   a flat surface that has no thickness  
🗑
point   has no size but has a position  
🗑
postulate   an accepted statment of fact  
🗑
ray   the part of a line consisting of one endpoint  
🗑
right angle   an angle measuring 80 degrees  
🗑
segment   the part of a line consisting of two endpoints  
🗑
skew lines   noncoplanar lines. therefore, they are not parallel and do not intersect  
🗑
space   is the boundless 3-dimensional set of all points.  
🗑


   

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