Question

Lets say ab = ac what would the reason be called in statement and reason if i had to prove c=b

Answer 1

Answer:

Statement: ab = ac
Reason: Definition of congruent segments

Statement: ac = ab (reversing the equality from the first statement)
Reason: Equality property of equality

Statement: c = b (by using the transitive property, which states that if a=b and b=c, then a=c)
Reason: Transitive property of equality.