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Definition
| A location without size or dimension |
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Definition
| Continuous arrangement of infinetly many points extending forever in two directions |
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Definition
| A flat surface extended infinetly around its edges |
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Definition
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Definition
| Three points in the same plane |
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| SEGMENTS AND THEIR ENDPOINTS |
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Definition
| Two points and all the points between them that are collinear alongside the two points; the points at either end of a line segment |
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Definition
| A line extended infinetly in one direction |
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Definition
| Two non-collinear rays that pass through a common endpoint |
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Definition
| The common endpoint of two rays that make up an angle |
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Definition
| An angle of a polygon that lies inside the polygon |
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Definition
| The angle of a polygon that forms a linear pair with one of the interior angles |
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Definition
| Lines are perpendicular if they meet at a 90 degree angle |
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Definition
| Lines that lie in the same plane but do not intersect |
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Definition
| Lines/rays/segments that pass through the midpoint of a line segment in a place |
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Definition
| The point on the line segment that is the same distance between both endpoints |
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Definition
A ray that has its endpoints on the vertex of the angle and that divides the angle itno two congruuent angles |
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Definition
A line that divides a line segment into two congruent parts and is perpendicular to the line segment |
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Definition
The perpendicular segment from a vertex to the base of a triangle or the plane containing the base |
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Definition
| A line segment connecting a vertex of a triangle at the midpoint of the opposite side |
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Definition
| Point where a triangle 3 angle bisectors meet |
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Definition
| Point where triangle's 3 altitudes meet |
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Definition
| The point of concurrency of a triangle's 3 perpendicular |
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Definition
The point where a triangle's 3 medians meet |
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