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| lines that cross at one point |
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| atraihgt path that goes on and on in 2 directions with no endpoints |
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| an angle greater than a right angle and less than a straight angle |
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| part of a line with a beginning and an ending |
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| a quadrilateral with four sides where the opposite sides are parallel |
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| an angle that forms a square corner or 90* |
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| the point where two sides of a polygon meet (a corner of a box) |
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| An angle less than a right angle or 90* |
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| triangle with one obtuse angle |
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| triangle with all sides the same and all angles the same. |
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| Triangle with 2 sides the same and 2 angles the same. |
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| Triangle with no sides the same and no angles the same. |
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| a closed, flat shape made up of three or more line segments. |
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| one of the line segments that makes a ploygon. |
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| intersecting lines that form right angles. |
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| triangle with all angles acute |
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| figures that are the same size and shape. |
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| part of a line; it has one endpoint and goes on without end in one direction. |
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| formed by two rays with a common endpoint. |
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Definition
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Definition
| triangle with one right angle |
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Term
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Definition
| a quadrilateral with only one pair of parallel sides. |
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