Sss Sas Proof

State whether the triangles are congruent.

• SSS

• SAS

• Not congruent

State whether the triangles are congruent.

• SSS

• SAS

• Not congruent

State whether the triangles are congruent.

• SSS

• SAS

• Not congruent

Select the reason that best fits #1

• Given

• Reflexive property

• Definition of midpoint

• Substitution Property

Select the reason that best fits #2

• Given

• Reflexive property

• Definition of midpoint

• Substitution Property

Select the reason that best fits #3

• Given

• Reflexive property

• Definition of midpoint

• Substitution Property

Select the reason that best fits #4

• Given

• Reflexive property

• Definition of midpoint

• Substitution Property

Select the reason that best fits #1

• Given

• Reflexive property

• Alternate Interior Angles of Parallel Lines are Congruent

• Substitution Property

Look at this partial proof, Notice the given information. What would be the reason for statment #2?

• Definition of Midpoint

• Definition of congruence

• Transitive Property

• Substitution Property

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

• ∡EDA≅∡DCB

• ∡AED≅∡BEC

• DE=CE

• ∡AED≅∡CED