Overlapping Triangles Proofs

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

• A

• B

• C

• D

Can the triangles be proven congruent?  If so, how?

• ASA

• AAS

• SAS

• Cannot be proven congruent

What missing piece of information is needed to prove the triangles congruent using ASA?

• GC = CD

• CE = CD

• ∠GCE≅∠BCE

• BD = GE

What missing piece of information is needed to prove the triangles congruent using SAS?

• NM = AM

• NL = CA

• ∠M≅∠B

• ∠N≅∠C

What postulate proves these triangles congruent?

• SAS

• CPCTC

• AAS

• ASA

Which of the following is NOT a triangle congruence criteria?

• SAS

• AAS

• SSA

• ASA

What postulate proves these triangles congruent?

• SAS

• ASA

• AAS

• Not enough information

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

• Proof

• Def. of Midpoint

• Reflexive Property

• Vertical angle Theorem

What is statement #4?

• ∆HFG≅∆IHF

• ∆FHG≅∆IHF

• ∆GFH≅∆IFH

• ∆HFG≅∆IFH

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

• A

• B

• C

• D