Advanced Triangle Proofs

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

• ∡EDA≅∡DCB

• ∡AED≅∡BEC

• DE=CE

• ∡AED≅∡CED

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

• ∆BAC≅∆DAC

• BC=DC

• ∡B≅∡D

• ∡BAC≅∡DAC

State if the two triangles are congruent.  If they are, state how you know.

• A

• B

• C

• D

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

• HA=HA

• HA=AH

• MA=AM

• MA=MA

What is statement #1?

• BC≅DC

• AC≅EC

• BC≅DC, AC≅EC

• ∆BCA≅∆DCE

What is statement #4?

• ∆HFG≅∆IHF

• ∆FHG≅∆IHF

• ∆GFH≅∆IFH

• ∆HFG≅∆IFH

What is statement #2?

• ∠ABC≅∠EDC

• ∠BCA≅∠DCE

• BC≅CD

• ∠E≅∠A

State if the two triangles are congruent.  If they are, state how you know.

• A

• B

• C

• D

Which is NOT a test to prove triangles congruent?

• SAA

• SSS

• SSA

• SAS

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

• Proof

• Def. of Midpoint

• Reflexive Property

• Vertical angle Theorem