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Geo Chpt 2 Brooks

Educated Guess Conjecture
Specific Information to General Conclusion Inductive Reasoning
General Conclusion to Specific Information Deductive Reasoning
Statement If p , then q
Converse If q , then p
Inverse If not p , then not q
Contrapositive If not q , then not p
Law of Syllogism p--->q q--->r p--->r
Law of Detachment p--->q, p, q or p--->q, ~q, ~p
Reflexive AB=AB
Symmetric If AB=CD then CD=AB
Transitive If AB=CD and CD=EF then AB=EF
Addition If AB-CD=EF then AB=EF+CD
Subtraction IF XY+WZ=AB then XY=AB-WZ
Multiplication If .5X=8 then X=16
Division If 6X=42 then X=7
Substitution If X+Y=10 and X=2 then 2+Y=10
Segment Adittion AB+BC=AC
Definition of Congruence If AB=CD then AB≅CD
Vertical angles are _______ Congruent
Supplementary angles equal ____ 180
Complementary angles equal ____ 90
Created by: kbrooks