2-Column Proof Reasons

Front

What property is illustrated by AB = AB?

Back

Reflexive Property

Front

What is the justification for the statement if A = B and B = C, then A = C?

Back

Transitive Property

Front

What is Reason # 7 in a 2-column proof?

Back

Symmetric Property of =.

Front

What is Statement # 2 in a proof if PQ = RS?

Back

PQ = RS

Front

What is the first statement when starting a proof?

Back

Given information

Front

What does the Symmetric Property state?

Back

If a = b, then b = a.

Front

What does the Transitive Property state?

Back

If a = b and b = c, then a = c.

Front

What is the definition of the Reflexive Property?

Back

Any quantity is equal to itself.

Front

What is the Angle Addition Postulate?

Back

If point B is in the interior of angle AOC, then angle AOB + angle BOC = angle AOC.

Front

What is the definition of congruence in geometry?

Back

Two figures are congruent if they have the same shape and size.