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| a figure with n- number of sides. |
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| in a right triangel the side opposite the right angle. |
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| a statement that is accepted without proof. |
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| a statement that can be proved. |
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| a part of a line that has an endpoint and extends thorugh the second point indefinitely. The endpint is named first. |
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| all points on a line between two given points. |
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| extends in both directions for ever. Labeled with two points with a line drawn over the point-letters. |
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| two lined that intersect to form right angles. |
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| coplanar lines that do not intersect...ever. |
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| a flat surface like a floor, wall, table top. YOu need at least three points to determine a plane. |
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| points all in the same plane. |
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