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| The space inside the shape or object |
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| The space outside of the shape r object |
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| A one-dimensonal figure that extands forever in both directions |
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| part of a line with two end pionts |
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| a point at the end of a segment or ray |
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| a part of a line that has one endpoint and extands forever in the other direction. |
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| to cross through the same point |
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| two lines are perpendicular if they cross at a right angles. |
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| two lines, segment, or rays that do not cross no matter how far they expand. |
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| two rays with the same end point |
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| each of the rays forming an angle |
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| the common endpoint of two rays forming an angle. |
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| an angle that measures 90 degrees |
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Definition
| and angle smaller than a right angle |
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| an angle greater than a right angle but smaller than a straight angle |
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Definition
| an angle formed by two rays pointing in oppositw directions. |
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