Geometry ASA Proofs

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

Lines l and m are parallel and the measure of angle 1 is 52 degrees, find the measure of angle 7.

• 52 degrees

• 180 degrees

• 128 degrees

• 90 degrees

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)

What is the "reason" for step 4 of the proof?

• proof

• AAS
  ≅ Thrm

• ASA
  ≅ Thrm

• SAS
  ≅ Thrm

What is statement #1?

• BC≅DC

• AC≅EC

• BC≅DC, AC≅EC

• ∆BCA≅∆DCE

What is statement #2?

• ∠ABC≅∠EDC

• ∠BCA≅∠DCE

• BC≅CD

• ∠E≅∠A

Can the HL Congruence Theorem be used to prove the triangles congruent? If so, write a congruence statement.

• Yes, △ABC≅△YXW

• Yes, △CBA≅△WXY

• Yes, △BCA≅△XYW

• No

What additional information is required in order to know that the triangles are congruent by HL Theorem?

• ∠G ≅ ∠X

• ∠H ≅ ∠V

• GI ≅ XV

• GH ≅ XW

How are these two triangles congruent?

• AAS

• ASA

• Not enough information

• SAS

Congruent triangles have 3 congruent ______ and 3 congruent _____.

• sides and sides

• sides and angles

• angles and angles

• parts and triangles