Triangle Congruence Proofs

Which is NOT a test to prove triangles congruent?

• SAA
• SSS
• SSA
• SAS

Tags

CCSS.HSG.SRT.B.5

If DA bisects IE, then

• ID=ED
• IA=EA
• <IDA=<EDA
• <IAD and <EAD are right angles

Tags

CCSS.HSG.CO.C.10

If DA is perpendicular to IE, then we can immediately conclude that

• IA=AE
• <IAD = <DAE
• <IDA=<EDA
• <IAD and <DAE are right angles

Tags

CCSS.HSG.CO.C.9

An angle bisector cuts an angle into two congruent _________

• Angles!
• Segments
• Mysteries

Tags

CCSS.HSG.CO.C.9

A segment bisector cuts a segment into two congruent

• Segments!
• Angles
• Mysteries

Tags

CCSS.HSG.CO.A.1

What is Reason B?

• Definition of Congruence

• Definition of Vertical Angles

• Reflexive Property

• Vertical Angle Theorem

Tags

CCSS.HSG.SRT.B.5

What is Reason C?

• Definition of Congruence

• Definition of Vertical Angles

• Reflexive Property

• Vertical Angle Theorem

Tags

CCSS.HSG.SRT.B.5

What is Reason B?

• Definition of Congruence

• Definition of Equality

• Definition of Midpoint

Tags

CCSS.HSG.SRT.B.5

What is Reason D?

• Vertical Angle Theorem

• Reflexive Property

• Definition of Congruence

• Definition of Vertical Angles

Tags

CCSS.HSG.SRT.B.5

What is Reason E?

• Vertical Angle Theorem

• CPCTC

• Definition of Congruence

• Definition of Vertical Angles

Tags

CCSS.HSG.SRT.B.5