Friday 12/4 Proof Review

What method would be used to prove the following triangles congruent?

• ASA

• AAS

• SAS

• SSA

What angle in triangle ABC is corresponding with angle DFE?

• $\angle ABC$

• $\angle ACB$

• $\angle BAC$

• $AC$

Fill in the missing reason for the following proof:

What is the reason for the following statement in this diagram's proof:

 $\angle PRS\ \cong\ \angle QRS$  

• Vertical angles are congruent

• An angle bisector cuts an angle into 2 congruent angles

• A midpoint cuts a segment into two congruent segments

• CPCTC

When do we prove CPCTC?

• Before proving triangles congruent

• After proving triangles congruent

• Before the given

• After isosceles triangles are proven