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9th Grade Youndt Math Terms

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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  


   


 

 

 

 

 

 
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