Cpctc Proof

Identify a common side

• JK

• MJ

• LK

What does CPCTC stand for?

• Congruent parts of congruent triangles are congruent

• Corresponding parts of congruent triangles are congruent

• Corresponding parts of corresponding triangles are corresponding

What is the "reason" for step 5 of the proof?

• Angle Bisector Theorem

• Reflexive property

• CPCTC Theorem

• Proof

What is the "statement" for step 2 of the proof?

• AD=AD

• AD=DA

• HD=DN

• HA = AN

Are you likely to need to use CPCTC for this proof?

• Yes, you are proving "parts" of triangles are congruent

• No, You are proving the entire triangles are congruent

What is the correct choice for Reason 3?

• Vertical Angles are Congruent

• Definition of Congruence

• Given

• Reflexive Property

What is the "reason" for step 5 of the proof?

• Angle Bisector Theorem

• Reflexive property

• CPCTC Theorem

• Proof

Determine the response for #4 in the proof.

• Given

• All right angles are congruent

• angle ECD is congruent to angle ACB

• triangle CDE is congruent to triangle CBA

• CPCTC

What is the "statement" for step 3 of the proof? 

• ∡EDA≅∡DCB

• ∡AED≅∡BEC

• DE=CE

• ∡AED≅∡CED

What is the "reason" for step 3 of the proof?

• Vertical Angle Theorem

• given

• reflexive property

• proof