| A | B |
|---|
| ray | part of a line, it starts at an endpoint and goes ones for ever in one direction |
| angle | two rays that have a common endpoint |
| vertex | the common endpoint of two rays forming and angle |
| degree | 1/360 of a complete rotation |
| right angle | an angle that measures 90 degrees |
| straight angle | an angle that measures 180 degrees |
| acute angle | an angle that measures less than 90 degrees |
| obtuse angle | an angle that measures more than 90 degrees and less than 100 degrees |
| supplementary angles | two angles which when added equal 180 degrees |
| complementary angles | two angles which when added equal 90 degrees |
| positive | numbers greater than zero and are to the right of zero on a number line |
| negative | numbersless than zero and are to the left of zero on a number line |
| integers | negative numbers, zero, and, positive numbers |
| inequality | a mathematical sentences stating one quantity is greater than or less than another |
| opposites | two numbers that are the same distance from zero (0) but on different sides of 0 on then number line |
| absolute value | how far a number is from zero on a number line |
| > | greater than |
| < | less than |
| = | equal to |
| zero | a number that is neither positive or negative |
