| Flap 1 | Flap 2 |
| Def. Of Midpoint | A point in the center of a line that divides them into 2 equal segments |
| Def. of Angle Bisector | A ray that intersects an angle creating 2 angles |
| Def. of Supp. angles | 2 angles that equal 180 when added together |
| Def of Comp. angles | 2 angles that equal 90 when added together |
| Def. of Right Angle | An angle that is 90 degrees |
| Def. of perpindicular lines | Lines that intersect at a point |
| Vertical Angle Theorem | Vertical Angles are congruent |
| Corresponding Angles | Angles in the same position |
| Alternate interior angles | Angles on opposite sides of a lone that are congruent |
| Same side interior angles | Angles on the same side of a line that are congruent |
| All right angles are congruent | (blank) |
| Same Side Interior Theorem | If a transversal intersects two parallel lines, then a |
| Alternate Interior Angle Theorem | If a transversal intersects 2 parallel lines, then alternate interior angles are congruent |
| Symmetric Property of Equality | If a=b then ba |
| Symmetric prop of Congruence | If AB=CD then CD=AB |
| Transitive Prop of equality | If a=b and b=c then a=c |
| Transitive prop of congruence | If AB=CD and CD=Ef then AB=EF |
| If two angles are congruent and supplementary | Each is a right angle |
| If two lines are perpendicular to the same line | Then the lines are parallel |
| If two lines are parallel to the same line | then the lines are perpendicular to each other |
