Intro to Triangle Proofs

What is statement #1?

• BC≅DC

• AC≅EC

• BC≅DC, AC≅EC

• ∆BCA≅∆DCE

Tags

CCSS.HSG.SRT.B.5

What is statement #2?

• ∠ABC≅∠EDC

• ∠BCA≅∠DCE

• BC≅CD

• ∠E≅∠A

Tags

CCSS.HSG.SRT.B.5

What is statement #3? 

• ∡EDA≅∡DCB

• ∡AED≅∡BEC

• DE≌CE

• ∡AED≅∡CED

Tags

CCSS.HSG.SRT.B.5

Which of the following is NOT a true statement for #5?

• ∠ABC ≌ ∠EDC

• ∠CAB ≌ ∠CED

• ∠BAC ≌ ∠DEC

• ∠ACB ≌ ∠ECD

Tags

CCSS.HSG.CO.B.7

Which postulate or theorem is used to prove these triangles congruent?

• AAS

• SAS

• HL

• None of the above

Tags

CCSS.HSG.SRT.B.5

• A
• B
• C
• D

Tags

CCSS.HSG.CO.B.7

Complete the congruence statement.

• CRP

• PCR

• RPC

• PRC

Tags

CCSS.HSG.CO.B.7

What is statement #4?

• ∠ABC ≌ ∠DCE

• ∠BCA ≌ ∠CED

• ∠CAB ≌ ∠EDC

• None of the following

Tags

CCSS.HSG.SRT.B.5

Which is NOT a test to prove triangles congruent?

• SAA

• SSS

• SSA

• SAS

Tags

CCSS.HSG.SRT.B.5

What is reason #3?

• SAS

• ASA

• SSS

• AAS

Tags

CCSS.HSG.SRT.B.5