Geometry Terms
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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| *A location, shown as a dot. | points
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| *A set of all points. | space
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| *A long, thin continuous mark Types: straight, parallel, horizontal, vertical, intersecting, perpendicular, lines of symmetry, etc. | lines
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| *Three or more points that lie on the same straight line. | collinear
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| *A flat surface. | plane
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| *Points that do not lie on the same line. | non-collinear
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| * Geometric objects/figures that lie on the same plane | coplanar
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| *Geometric objects/figures that do not lie on the same plane. | non-coplanar
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| *To meet a some point, a common point or line. | intersect
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| *The set of points consisting of two endpoints and all points in between the endpoints. | segment
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| *A line that has a starting point, but it does not have an ending point. | ray
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| *Two rays with a common endpoint that form a line. | opposite ray
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| *The distance from one end to the other end *How long something is. |a-b| | length of a segment
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| *Having the same shape and the same size Example: A cube has congruent faces. | congruent segments
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| *The point in the middle of a line segment | midpoint of segment
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| *To divide in two equal sections *To cut in half | bisector of a segment
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| *If three points A, B, & C are collinear and B is between A and C, then AB+BC =AC. | segment addition postulate
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| *Lines that do not lie in the same plane in space, so that they cannot be parallel or intersect. | skew
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| *Lines that are the same distance apart at all points. They never intersect. | parallel
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| *Lines that intersect at right angles to each other. | perpendicular
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Created by:
vickersm
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