CPCTC Congruent Triangles

If ∆LMK ≅ ∆LMT, then

∠K ≅ ____

• MT

• ∠T

• ∠M

• ∠L

Determine whether the given triangles are congruent.

• congruent

• not congruent

Determine whether the given triangles are congruent.

• congruent

• not congruent

Find x.

• 5

• 4

• 3

• 2

You should use CPCTC ______

• before you prove triangles congruent

• to prove two triangles congruent

• after proving triangles congruent to get the corresponding parts congruent

• never use CPCTC it is not a thing

Remember order matters. Which of the following is true?

• ∆FGH ≅ ∆VHW

• ∆HFG ≅ ∆HWV

• ∆HGF ≅ ∆VHW

• ∆FGH ≅ ∆VWH

Name the corresponding angle or side.

• A

• B

• C

• D

What additional information is required to prove the two triangles are congruent by HL?

• A)
• B)
• C)
• D)

What additional information is required to prove the two triangles are congruent by ASA?

• A)

• B)

• C)

• D)

What additional information is required to prove the two triangles are congruent by SSS?

• A)

• B)

• C)

• D)