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Geometry Vocabulary: Angles

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Across
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The common endpoint of an angle (where the two rays intersect).
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Two angles whose measures sum to 180 degrees.
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(two words) Collinear rays extending in opposite directions that have a common endpoint.
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Two angles that lie in the same plane and have a common vertex and a common side, but no common interior points.
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Two angles whose measures sum to 90 degrees.
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(two words) A pair of adjacent angles whose noncommon side are opposite rays.
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Formed by two rays that have a common endpoint.
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Part of a line that has one endpoint and extends in one direction infinitely.
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Point that divides a segment into two congruent segments.
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An angle formed by opposite rays. It measures exactly 180 degrees.
Down
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An angle that measures more than 90 degrees and less than 180 degrees.
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Geometric drawing created with a compass, straightedge, and pencil.
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Lines, segments, or rays that form right angles.
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Having equal measure.
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Number that cannot be expressed as a terminating or repeating number.
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Divides into two congruent parts.
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An angle that measures exactly 90 degrees.
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An angle that measures less that 90 degrees.