Congruency Proofs

What is reason #3?

• SAS

• ASA

• SSS

• AAS

What is reason #2?

• Vertical angles are congruent.

• Consecutive angles are congruent.

• Alternate interior angles are congruent.

• Definition of Bisect

What is reason #4?

• Reflexive Property

• Definition of Midpoint

• Vertical angles are congruent.

• Given

What is reason #5?

• SSS

• SAS

• ASA

• AAS

What are the 2 missing pieces of information?

• 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 "reason" for step 4 of the proof?

• proof

• AAS
  ≅ Thrm

• ASA
  ≅ Thrm

• SAS
  ≅ Thrm

What triangle congruence criteria is shown in the given diagram?

• AAS

• ASA

• SSA

• SAS

What is the missing piece of information required to prove these triangles congruent?

• QY ≅ QY

• NY ≅ PY

• ∠N ≅ ∠P

• QY is the perpendicular bisector

Rigid Motions preserve ...

• size and shape

• size and location

• shape and location

• shape and direction

What is the justification (reason)?

• Reflexive Property

• Symmetric Property

• Transitive Property

• Substitution