Triangle Proofs

Rigid Motions preserve ...

• angle measure and side lengths
• angle measure
• side lengths
• they do not preserve anything

Tags

CCSS.HSG.CO.B.6

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 reason #3?

• SAS
• ASA
• SSS
• AAS

Tags

CCSS.HSG.SRT.B.5

What is reason #1?

• Reflexive Property
• Definition of Bisect
• Prove
• Given

Tags

CCSS.HSG.SRT.B.5

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 statement #3?

• FH≅FH
• GF≅GF
• IH≅IH
• GF≅FI

Tags

CCSS.HSG.SRT.B.5

What is statement #4?

• ∆HFG≅∆IHF
• ∆FHG≅∆IHF
• ∆GFH≅∆IFH
• ∆HFG≅∆IFH

Tags

CCSS.HSG.SRT.B.5

What is reason #4?

• ASA
• SAS
• HL
• AAS

Tags

CCSS.HSG.SRT.B.5

What is statement #1?

• AB≅DC
• AC≅AC
• AB∥DC
• ∠A≅∠C

Tags

CCSS.HSG.CO.C.11