Pre-Algebra
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19 terms
Terms | Definitions |
|---|---|
 Ray | A part of a line that starts at one endpoint and extends forever. |
| Obtuse triangle | A triangle containing one obtuse angle. |
| Acute angle | An angle that measures less than 90 degrees. |
| Acute triangle | A triangle with all angles measuring less than 90 degrees. |
| Congruent | Having the same size and shape. |
| Plane | A flat surface that extends forever. |
| Sagment | A part of a line between two endpoints. |
| Line | A straight path that extends without end in opposite directions. |
| Right triangle | A triangle containing a right triangle. |
| Sepplementery angles | Two angles whose measures have a sum of 180 degrees |
| Complementery angles | Two angles whose measures add to 90 degrees. |
| Point | An exact location in space. |
| Obtuse angle | An angle whose measures is greater than 90 degrees but less than 180 degrees. |
| Angle | A line that is formed by two rays and with a common endpoint called the vertexe |
| Right angle | A angle that measures 90 degree. |
| Obtuse angle | A angle whos measures are greater than 90 degrees. |
| Transversal | A line that intersects any two or more other lines. |
| Parallel lines | Tow lines in a plane that never meet. |
| Perpendicular lines | Lines that intersect at 90 degree angles. |
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