Transcription of Geometry Notes – Chapter 1: Essentials of Geometry
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Geometry Notes Chapter 1: Essentials of Geometry Points, Lines and Planes Segments and Congruence Undefined Terms Ruler Postulate Point A point has no dimension. It is Each point on a number line is assigned a represented by a dot. unique number, called its coordinate. Line A one-dimensional figure that extends The distance between two points is defined without end in two directions. as the absolute value of the difference between of the coordinates of the points. Plane A plane has two dimensions. It is represented by a shape that looks like a floor Segment Addition Postulate or a wall, but it extends without end. If the point B is between points A and C, then the distance from A to B added to the distance from B to C is equal to the distance from A to C.
Geometry Notes – Chapter 1: Essentials of Geometry . Chapter 1 Notes: Essentials of Geometry Page 2 of 3 . 1.4 – Measure and Classify Angles
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