10 geomerty vocab
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 angle | an angle with measure between 0 degrees and 90 degrees.
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| adjacent angle | two angles with a common vertex and side but no common interior points
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| angle | consists of two diffrent rays that have the same initial point
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| angle bisector | a ray that divides an angle into two adjacent angles that are congruent
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| collinear points | points thta lie on the same line
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| congruent | having the same size and shape
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| congruent angels | angles having thye sam e mesure
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| coordinate | the real number that corresponds to a point on a line
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| coplanar points | points that lie on the same plane
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| distance | the abdolute value of the diffrence between the coordinates of the points
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| equal | having the same measure
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| intersect | to have one or more poins in common
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| length | the distance between the andpoints of a segment
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| line | extends infiniely in one dimension
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| midpoint | the point that divides, or bisects a segment into two congruent segments
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| obtuse angle | an angle with measure between 90 degrees and 180 degrees
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| oppposite rays | two rays with the same inital point extending in oppositde directions
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| plane | extends infinitely in two demensions
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| point | has no dimension
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| ray | part of a linethat consists of an initial point and all points on a line that extend in one direction
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| right angle | an angle with measure equal to 90 degrees
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| segment | part of a line that consists of two endpoints and all points between the endpoints
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| segment bisector | a segment, line, ray or plane that intersects a segment as its midpoint
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| skew lines | two lines that do not intersect and are not coplanar
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| straight angle | an angle with measure equal to 180 degrees
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| vertex of an angle | the inital point of the two rays that create the angle
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| Bisect | cut in half
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| definition | Uses known words to describe a new word
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| Undefined Term | Words that are not formally defined, although we have a general agreement
about what each word means. Examples include “point”, “line” and “plane.”
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| Postulate (Axiom) | A statement whose truth is accepted without proof
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| Theorem | A statement that is proved by deductive reasoning
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