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Math Terms
9th Grade Youndt Math Terms
Question | Answer |
---|---|
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 |