Geometric Triangle Proofs

Are the triangles congruent, if yes, why?

• SSS

• SAS

• ASA

• Not Congruent

Are the triangles congruent, if yes, why?

• SSS

• SAS

• AAS

• Not Congruent

Are the triangles congruent, if yes, why?

• SAS

• ASA

• AAS

• Not congruent

Are the triangles congruent, if yes, why?

• SAS

• ASA

• AAS

• Not Congruent

Identify the  missing statement or reason

• Reflexive Property

• Definition of Midpoint

• Given

• Vertical Angles Theorem

What is Reason C?

• Definition of Congruence

• Definition of Vertical Angles

• Reflexive Property

• Vertical Angle Theorem

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

• AH=AN

• AD=AD

• HD=ND

• HD=DN

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

• AD=AD

• AD=DA

• HD=DN

• HA = AN

What does CPCTC stand for?

• Congruent parts of congruent triangles are congruent

• Corresponding parts of congruent triangles are congruent

• Corresponding parts of corresponding triangles are corresponding

• Corresponding parts of congruent triangles are Canadian.

What is the justification?

• Symmetric Prop.

• Angle addition postulate

• Reflexive Prop

• Transitive Prop.