Cpctc Proof

What is the correct choice for Statement 4?

• Segment SU ≅ Segment VT 

• Prove

• Segment ST ≅ Segment UV

• Definition of Congruence

Supply the missing reasons to complete the proof.

Given: ∠Q ≅ ∠T; QR ≅ TR

• 3. ASA

  4.Substitution

• 3. SAS

  4. CPCTC

• 3. AAS

  4. CPCTC

• 3. ASA

  4. CPCTC

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

• Corresponding parts of congruent triangles are Canadian.

Complete the congruence statement.

• CRP

• PCR

• RPC

• PRC

When does one use CPCTC?

• Before triangles are congruent

• After triangles are congruent

• Whenever one wants, there are no restrictions

• There is no such thing as CPCTC

What is the correct choice for Statement 2?

• Segment GH ≅ Segment KL

• ∠G ≅ ∠K

• Segment GI ≅ Segment KJ

• Segment HI ≅ Segment LJ

Remember order matters. Which of the following is true?

• ∆FGH ≅ ∆VHW

• ∆HFG ≅ ∆HWV

• ∆HGF ≅ ∆VHW

• ∆FGH ≅ ∆VWH

What postulate would prove triangle ∆NYQ is congruent to ∆PYQ?

• ASA

• SAS

• SSS

• HL

True or false? CPCTC can only be used after first proving

the triangles congruent.

• True

• False

Fill in the missing proofs.

• Transitive Property, SAS(Side-Angle-Side)

• Reflexive Property, SAS(Side-Angle-Side)

• Reflexive Property, Vertical Angles Thm.

• Transitive Property, SSS(Side-Side-Side)