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Definition
| An angle with measure greater than 0 degrees and less than 90 degrees |
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Definition
| An angle that measures 90 degrees. |
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Definition
| An angle with measure greater than 90 degrees and less than 180 degrees. |
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Definition
| The opposite angles where two lines meet. |
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Definition
| A triangle in which all three angle measures are less than 90 degrees |
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Definition
| A triangle in which one angle is a right angle.(measures 90 degrees) |
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Definition
| A triangle with an obtuse angle (greater than 90 degrees) |
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Definition
| A triangle with no equal side lengths |
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Definition
| A triangle with two or more sides of equal length. |
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Term
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Definition
| A triangle with all side lengths equal. |
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Definition
| A quadrilateral with one pair of parallel sides. |
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Definition
| A quadrilateral with both pairs of opposite sides parallel. |
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Definition
| A quadrilateral with four right (90 degree) angles. |
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Term
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Definition
| A quadrilateral with all four sides of equal length. |
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Term
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Definition
| A special rectangle with all sides of equal length. |
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Term
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Definition
| A two-dimensional closed figure of straight line segments (called edges or sides) connected end to end. |
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Term
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Definition
| A polygon in which all side lengths are equal and all angle measures are equal. |
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Definition
| A polygon with four sides |
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Definition
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Definition
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Definition
| The point where two consecutive sides of a polygon meet. |
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Definition
| A line segment that connects two vertices of a polygon and is not a side. |
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Definition
| A set of points at a fixed distance (radius) from a point (Center). |
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Term
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Definition
| Two straight lines on a two-dimensional plane that do not intersect no matter how far they are extended |
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