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Line |
A straight path that extends in
both directions |
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Ray |
A straight path that has a
beginning and goes on forever in the other direction. |
|

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Line Segment |
A part of a line. |
|
Right Angle |
An angle that is exactly 90o. |
|

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Acute Angle |
An angle that is less than 90o. |
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Obtuse Angle
|
An angle that is more than 90o. |
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Point
|
An exact location in space. |
|
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Vertex
|
The point were to rays meet to
form an angle. |