HL CPCTC

• ∠N

• ∠D

• ∠E

• ∠A

Use the congruency statement to answer the following:  by CPCTC ∠F = ___

• ∠H

• ∠I

• ∠G

• not congruent to another angle

if ∆ABC≅∆XYZ, then by CPCTC which is true?

• AB≅XY

• AB≅YX

• AB≅XZ

• BC≅CB

∠A ≅

• ∠M

• ∠N

• ∠L

If ∆PIG ≅ ∆COW, then by CPCTC WO≅?

• GI

• PI

• PG

By CPCTC what angle in △DFE is congruent to ∠B?

• ∠D

• ∠F

• ∠E

• ∠A

• ∠C

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

• AD=AD

• AD=DA

• HD=ND

• HA = AN

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

• HT=TA

• HA=HA

• MA=AM

• MA=MH

The red and blue triangles are congruent. Identify a common side when you would use reflexive.

• Side DF

• Side EF

• Angle G

• Angle E

When do you use "CPCTC in a proof?"

• ALWAYS at the beginning

• ALWAYS at the end

• It's optional

• NEver