2-5 Properties and Proofs

Question 1

reflexive prop. of equality

Answer 1

a=a

Question 2

symmetric prop. of equality

Answer 2

a=b than

b=a

Question 3

transitive prop. of equality

Answer 3

a=b b=c then

a=c

Question 4

reflexive prop. of congruence

Answer 4

ab=ab

ab=ba

Question 5

symmetric prop. of congruence

Answer 5

ab=cd

cd=ab

Question 6

transitive prop. of congruence

Answer 6

ab=cd
cd=ef
ab=ef