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# Geometry Help

Conditional If p then q
Converse If q then p
Biconditional p if and only if q
Law Of Detachment If p-q is a true statement and p is true then q is true
Law Of Syllogism If p-q and q-r are true statements then p-r is true
Reflexive Property a=a
Symmetric Property If a=b then b=a
Transitive Property If a=b and b=c then a=c
Substitution Property If a=b then b can replace a in any expression
Sum of angles in a polygon (n-2)180
Isoceles Triangle Thereom If 2 sides of a triangle are congruent then the two angles opposite are also congruent
Converse of the Isoceles Triangle Theorem If two angles in a triangle are congruent then the sides opposite of them are congruent
Centroid where the medians meet
Orthocenter where the altitudes meet
Circumcenter where the perpendicular bisectors meet
Incenter where the angle bisectors meet
Inverse If not p then not q
Contapositive If not q then not p
Created by: MelMarWar