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Theorems ch1-2

Most used theorems used in proofs

VAT - Vertical Angles Theorem All vertical angles are congruent
LPP - Linear pair postulate If two angles are a linear pair, then they are supplementary
SAP - Segment addition postulate if A, B, and C are collinear then AB + BC = AC (little + little = big) segment edition
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
Reflexive property RS = RS
Symmetric property if AB=CD then CD=AB
Transitive Property If AB=CD and CD=EF then AB=EF
Created by: ccperryths