Column Proofs

Question 1

Transitive Property

Answer 1

if a = b and b = c then a = c

Question 2

subtraction Property

Answer 2

if a + b = c + b then a = c

Question 3

Addition Property

Answer 3

if a = b then a + c = b +c

Question 4

Reason

Answer 4

1. Given
2. Definition of complementary angles (Definition of what is given)
3. Transitive property
4. Subtraction Property
5. Definition of Congruent angles (what you are trying to prove)