| A | B |
|---|
| Complimentary Angles | 2 angles that measure 90 degrees |
| Supplementary angles | 2 angles that measure 180 degees |
| Right angle L | measures 90 degrees |
| acute angle | angle that measure less than 90 degrees |
| Obtuse angle | angles that measure more than 90 degrees |
| Straight angle | an angle that measures 180 degrees |
| Equilatteral triangle | a triangle with all three sides the same |
| isoceles triangle | a triangle with two congruent sides |
| scalene triangle | a triangle with no sides the same |
| right triangle | a triangle with a 90 degree angle |
| obtuse triangle | a triangle with an angle that measures more than 90 degrees |
| acute triangle | a triangle with all angles smaller than 90 degrees |
| 180 degrees | the amount the angles add up to inside a trianlge |
| transfersal | a line running through two parellel lines |
| 60, 60, 60 degree triangle | acute triangle |
| 120, 25, 35 degree triangle | obtuse triangle |
| 90, 45, 45 degree triangle | right triangle |
| Obtuse, acute and right | Types of angles |
| euquilateral, isosceles, scalene | how triangles are classified by there sides |
| point | location in space |
| plane | endless flat surface |
| line | endless sraight path |
| Line segment | straight path from one point to another |
| ray | part of a line that has one end point |
| angle | two rays with a common endpoint |
| degrees | unit of measurement |
| intersecting lines | lines that meet at at point |
| perpendicular lines | lines that meet at a point |
| parallel lines | lines in the same plane that never touch |
| bisect | to divide into two congruent parts |
| vertex | point where two rays of an angle meet |
| diagonal | line segment other than a side connecting 2 vertices of a polygon |
