Definitions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Geometry | Real life application of mathematic (Geo-Earth and Metron-Measurements)
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| Point | No size or shape, describes a location, named by a capital letter, and represented by a dot
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| Line | Made up of points that extend infinitely on opposite directions
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| Plane | 2 dimension (made up of points & lines)
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| Space | 3D Dimension
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| Collinear | Points on the same line
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| Non-Collinear | Not on the same line
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| Segment | Parts of a line with 2 fixed endpoints
All segments are part of a line
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| Rays | Part of a line with1 fixed end point and extents in one direction
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| Ruler Postulate | Maps Real numbers onto a line
Lets us find the distance between 2 pts
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| Segment Addition Postulate | If B is between A&C then
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| Congruent | Same size and shape
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| Midpoint Segment | A point divides a segment into 2 congruent parts
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| Bisector of a Segment | Line can bisect a segment
Ray and Plane can bisect a segment
A line, ray, segment, or plane that intersects a segment at it's midpoints
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| Angle | 2 rays with a common endpoint
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| Two Rays | Sides of the angle
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| Common endpoint | Vertex
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| 3 ways to name an angle | 1. Angle L
2. By a number
3. By 3pts
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| Acute angle | An angle that is less than 90 degrees
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| Right angle | An angle that is 90 degrees
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| Obtuse angle | Greater than 90 degrees less than 180 degrees
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| Straight angle | 180 degrees (opposite rays form a straight line)
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| Angle Addition Postulates | Let me add adjacent angles together to get the larger angle.
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Created by:
DemiColon
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