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15 Cards in this Set

  • Front
  • Back
if a=b, then a+c = b+c
addition property
if a=b, then a-c = b-c
subtraction property
if a=b, then ac = bc
multiplication property
if a=b and c(doesn't equal)0, then a/c = b/c
division property
for any rel #a, a=a
reflexive property
if a=b, then b=a
symmetric property
if a=b and b=c, then a=c
transitive property
if a=b, then a can be substituted for b in any equation or expression
substitution property
Segment congruence is reflexive, symmetric, and transitive.
properties of segment congruence
Angle congruence is reflexive, symmetric, and transitive
Properties of Angle Congruence
all right angles are congruent
Right angle congruence theorem
If two angles are supplementary to the same angle(or congruent angles) then they are congruent
Congruent supplements theorem
If two angles are complementary to the same angle(or to congruent angles) then the two angles are congruent.
Congruent complements theorem
If two angles form a linear pair, then they are supplementary
Linear Pair Postulate
vertical angles are congruent
Vertical angles theorem