| A | B |
|---|
| Vertical angles are | congruent |
| The converse is created by | changing the order |
| Perpendicular lines have slope | opposite reciprocals |
| Parallel lines have the _____ slope | same |
| Midpoint formula | (add x's/2, add y's/2) |
| Possible measures of the third side of a triangle are found by | between adding the two sides and subtracting the two sides |
| 2 angles whose sum is 90 | complementary |
| An angle bisector divides the angle | into two congruent angles |
| The inverse is created by | inserting nots or taking out a not |
| The contrapositive is created by | changing the order and inserting the nots |
| 2 angles whose sum is 180 | are supplementary |
| The perimeter is found by | adding all the sides |
| State the distance formula | the square root of (subtract the x's and square it PLUS subtract the y's and square it ) |
| The acute angles of a right triangle | are complementary |
| Syllogism's conclusion | if of the first sentence, then of the last sentence |
| Logic symbols | ~ means not, ^ means and |
| Find the the slope in a right triangle figure. | Rise/Run Vertical number/horizontal number. If going up (left to right) then a positive answer. If down a negative answer. |
| A plane is determined by | 3 non-collinear points. (don't forget the non) |
| Two points determine | a line. |
| The slope of a line | subtract the y's / subtract the x's |
