Geometric Triangle Proofs

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

• ∡EDA≅∡DCB
• ∡AED≅∡BEC
• DE=CE
• ∡AED≅∡CED

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

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

• ∆BAC≅∆DAC
• BC=DC
• ∡B≅∡D
• ∡BAC≅∡DAC

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

• Proof
• Def. of Midpoint
• Reflexive Property
• Vertical angle Theorem

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

• AD=AD
• AD=DA
• HD=DN
• HD=ND

Determine if the triangles are congruent, if "yes" state the theorem.

• yes, AAS
• yes, SAS
• yes, ASA
• not congruent

Determine if the triangles are congruent, if "yes" state the theorem.

• yes, SAS
• not congruent
• yes, ASA
• yes, AAS

Which of the following is not a valid reason to prove congruent triangles?

• SSA
• AAS
• SAS
• SSS

Determine if the triangles are congruent, if "yes" state the theorem.

• yes, ASA
• yes, AAS
• not congruent
• yes, SAS

What triangle congruence criteria is shown in the given diagram?

• SSS
• SAS
• ASA
• AAS