SAS Congruence and Proofs

What are the five ways to prove triangles congruent?

• SSS, ASA, AAS, SAS, HL

• SSS, SSA, HL, AAS, SAS

• SAS, SSA, HL, AAS, SSS

• HL, SAS, SSA, SSS, ASA

Use the congruency statement to answer the following: 
<F = ___

• <H

• <I

• <G

• not congruent to another angle

What would be the correct "given" statements for this diagram?

• T is the midpoint of segment BG and
  ∡B≅∡G

• ∡B≅∡G and ∡A≅∡W

• T is the midpoint of segment BG and ∡A≅∡W

• T is the midpoint of segment AW and ∡A≅∡W

Fill in the missing proofs.

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

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

• Reflexive Property, Vertical Angles Thm.

• Transitive Property, SSS(Side-Side-Side)

Suppose ∠ADB = 90°. Which of the following markings is needed in order to prove SAS congruence?

• CD ≡ BD

• CA ≡ BA

• ∠C ≡ ∠B

• ∠DAC ≡ ∠DAB

• None of the above

What do we need to prove Triangles congruent by SAS?

• NONE

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 "statement" for step 2 of the proof?

• AD=AD

• AD=DA

• HD=DN

• HA = AN

What do we need to prove Triangles congruent by SAS?

ΔCZH ≅ Δ_____ by _____

• ΔZET , AAA

• ΔEZT , AAA

• ΔZET , SAS

• Cannot Be Determined