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Most used theorems used in proofs

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
VAT - Vertical Angles Theorem   All vertical angles are congruent  
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LPP - Linear pair postulate   If two angles are a linear pair, then they are supplementary  
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SAP - Segment addition postulate   if A, B, and C are collinear then AB + BC = AC (little + little = big) segment edition  
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AAP - Angle addition postulate   If P is in the interior of angle RST, then the measure of angle RSP + measure of angle PST = measure of angle RST (little + little = big) angle edition  
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Reflexive property   RS = RS  
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Symmetric property   if AB=CD then CD=AB  
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Transitive Property   If AB=CD and CD=EF then AB=EF  
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Created by: ccperryths
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