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| A dot on a line or graph. |
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| Infinite number of points. |
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| A flat surface with no egdes. |
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| Points or lines on the same plane. |
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Accepted statement of fact.
(Axiom or Property) |
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| Through any two points, there is exactly one line. |
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| If 2 lines lines intersect, then they intersect at exactly one point. |
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| If two planes intersect, then they intersect at exactly one line. |
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| Through any 3 non-collinear points there is exactly one plane. |
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| A part of a line with two end points and an infinite number of points. |
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| A line with one end point. |
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| Two collinear rays with a common endpoint. |
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| Coplanar lines that never interest. |
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| Non-coplanar lines that never interest. |
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| Two segments with the same length. |
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| Segment Addition Postulate |
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| If A, B, and C are collinear with B inbetween A and B, then AB + BC = AC. |
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| A point which divides a sgement into two congruent segments. |
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| Formed by two rays with a common endpoint. |
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A Kind of Angle
90° - 180° |
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Definition
[image]
mL1 + mL2 = mLDOG. |
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| Two angles with the same measure. |
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| Two lines that intersect to form right angles. |
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| Of a segment is a line, ray, or segment that divides the segment into two congruent parts; goes through midpoint; perpendicular to the segment. |
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| A ray that divides an angle into two congruent angles. |
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Definition
| Conclusion based on patterns and observations. |
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