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the midpoint M of PQ is the point between P and Q such that PM ~ MQ
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| the formula to find the distance between two points in the coordinates plane |
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| 3 terms that are referred to as undefined terms of Geometry |
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is a location usually represented by a dot or a capital letter
ex. Point R or R. |
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has two arrows, one at each and indicate that it extends infinitely in each direction
ex. line AB or line n |
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| is an accepted statement or fact |
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| Through any 2 points, thereis exactly one line |
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| points that lie on the same line |
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| points that do not lie on the same line |
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| can be thought of a flat surface that extends infinitely in all directions |
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| Points that lie on the same plain |
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| Points that do not lie on the same line |
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| Two lines intersect at exactly one point |
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| Two planes intersect at exactly one line |
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| Through any three noncollinear points there is exactly one plane |
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| boundless three dimensional set of all point. |
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| has exactly one endpoint and extends infinitely in one direction (always named by its end point) |
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| Rays that are going in the opposite direction |
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| lines that never intersect |
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| lines that have no relation; they are neither parallel or perpendicular |
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| planes that do not intersect |
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| Segment Addition Postulate |
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little piece + little piece = big piece
If Q is between P and R, then PQ+QR =PR |
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