Triangle Congruence - 2 Column Proof Practice

When starting a proof you always start with:

• Given information
• What it wants you to prove
• Equal Angles
• Linear Angles

Tags

CCSS.8.G.A.5

The last statement in a proof is always what part of the information?

• The "Prove" statement
• The "Given" Statement
• Who knows, none of this matters anyway
• I am Groot

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)

Tags

CCSS.HSG.SRT.B.5

What is statement #1?

• AB≅DC
• AC≅AC
• AB∥DC
• ∠A≅∠C

Tags

CCSS.HSG.CO.C.11

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

• ∆BAC≅∆DAC
• BC=DC
• ∡B≅∡D
• ∡BAC≅∡DAC

Tags

CCSS.HSG.CO.C.9

What is statement #2?

• ∠ABC≅∠EDC
• ∠BCA≅∠DCE
• BC≅CD
• ∠E≅∠A

Tags

CCSS.HSG.SRT.B.5

What is reason #2?

• Vertical angles are congruent.
• Consecutive angles are congruent.
• Alternate interior angles are congruent.
• Definition of Bisect

Tags

CCSS.HSG.CO.C.11

What is reason #2?

• Definition of Midpoint
• Definition of Perpendicular
• Definition of Bisect
• Definition of Right Triangle

Tags

CCSS.HSG.SRT.B.5

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

• ∡EDA≅∡DCB
• ∡AED≅∡BEC
• DE=CE
• ∡AED≅∡CED

Tags

CCSS.HSG.SRT.B.5

What is statement #3?

• FH≅FH
• GF≅GF
• IH≅IH
• GF≅FI

Tags

CCSS.HSG.SRT.B.5