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| infinite number of points (at least two) with arrows at the ends to symbolize that it goes on forever |
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| points that lie on the same line |
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| flat surface that extends infinitely in all directions |
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| points that lie on the same plane |
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| point, line, plane --> explained using examples & models (no concrete definition, cannot be defined) |
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| boundless 3D set of all points |
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finite, two end points
Named by: Its end points |
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how accurate your answer is
depends on the smallest unit of measurement available on your measuring tool
measurement will be precise to a half of the unit of measurement |
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the point between two points
not necessarily exactly half |
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| two segments that have the same measure (length) |
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| location half way between two points |
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| any segment, line or plane that intersects a segment at its midpoint |
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| infinite in one direction, no midpoint, one endpoint |
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rays with the same starting point that extend in opposite directions
forms a straight angle |
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| a figure formed by two non-collinear rays that have a common endpoint |
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| measures <90 degrees and >180 degrees |
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| angles that have the same measure |
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| a ray that divides an angle into two congruent angles |
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share a common side and share a common vertex
don't overlap, next to each other |
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| two non-adjacent angles, formed by intersecting lines |
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| adjacent angles whose non-common sides are opposite rays |
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| two angles whose measures add up to 90 degrees |
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| two angles whose measures add to 180 degrees |
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| lines that intersect to form right angles (90 degree angles) |
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a closed figure made up of segments that intersect at their endpoints
Named By: letters of vertices in order (clockwise or counter clockwise) |
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| a vertex is inside the polygon |
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