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| can only be explained using examples and descriptions. |
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Definition
| infinite, made up of points and has no thickness or width. |
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| a flat surface made up of points. |
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| points that make up a line. |
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| points that lie in the same plane. |
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| a point where 2 or more lines join. |
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| terms explained using undefined terms and/or other defined terms. |
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| a boundless, 3D set of all points. |
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| part of a line with 2 endpoints. |
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| relationship in which there is a real number between 2 real numbers. |
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| segments that have the same measures. |
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| methods of creating figures without measuring tools. |
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| the length of the segment with 2 points as its endpoints. |
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| the point halfway between the endpoints of the segment. |
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Definition
| any segment, line, or plane that intersects a segment at its midpoint. |
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| when you choose a point on a line,determining two rays. |
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| formed by two noncolinnear rays that have a common endpoint. |
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Term
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Definition
| common endpoint of the angle |
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Definition
| units used to measure angles. |
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| ray that divides an angle into 2 congruent angles. |
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Definition
| two angles that lie on the same plane and have a common vertex and side, but no common interior points. |
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Definition
| a pair of adjacent angles with noncommon sides that are opposite rays. |
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Definition
| two nonadjacent angles formed by two intersecting lines. |
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Definition
| two angles with measures that have a sum of 90. |
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Definition
| two angles with measures that have a sum of 180. |
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Definition
| lines, segments, or rays that form right angles. |
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