flashcards
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| acute angles | an angle that is less than 90 degress
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| congruent angles | angles that have the same measurement
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| coplanar | points and line in the same plane
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| midpoint | the middle of a line
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| perpendicular lines | intersect to form right angles.
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| ray | is a part of a line that consist of an intial point and all points on the line that lie on one side of the intial point
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| space | is the boundless three dimensional set of all points.
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| angle | two rays that are connected at their endpoints.
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| congruent segments | two segments with the same length.
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| counterexample | an example or fact that is inconsistent with a hypothesis and may be used in argument against it
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| obtuse angle | angle thats more than 90 degrees
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| plane | a plat surface that has no thickness. it extends in all directions
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| right angle | an angle that is exactly 90 degrees
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| angle bisector | ray that divides an angle into two congruent angles
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| conjecture | is a conclusion reached by using inductive reasoning
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| inductive reasoning | a type of reasoning that reaches conclusions based on a pattern of specific examples or past events.
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| opposite rays | are collinear rays with the same endpoint. they form a line
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| point | has no length, width, or thickness, but has a position. LOCATION
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| segment | the part of a line consisting pf two points, called endpoints, and all points between them
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| collinear points | points that lie on the same line.
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| coordinate | Any of a set of two or more numbers used to determine the position of a point, line, curve, or plane in a space of a given dimension with respect to a system of lines or other fixed references.
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| line | has length, but no width or thickness. it extends without end in two directions
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| parallel lines | are coplanar lines that do not intersect
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| postulate | a statement accepted to be true without proof
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| skew lines | are noncoplanor lines, not parallel, not intersect
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Created by:
katielynn
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