4-5 Triangle Congruence 'Proofs'

If L is the midpoint of TJ, what must be true? Draw and label the diagram on your paper.

• TL=JT

• JL=TJ

• TL=LJ

• T is also the midpoint of JL

An angle bisector cuts an angle into two congruent _________

• Angles!
• Segments
• Mysteries

Tags

CCSS.HSG.CO.D.12

A segment bisector cuts a segment into two congruent

• Segments!
• Angles
• Mysteries

Tags

CCSS.HSG.CO.D.12

If DA bisects IE, then

• ID=ED

• IA=EA

• <IDA=<EDA

• <IAD and <EAD are right angles

If AD bisects <EDI, then

• <ADE=<IDA
• IA=AE
• ID=ED
• All of the above

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.B.5

In this picture, we know for sure that... (think about what theorem allows you to conclude this)

• <TEB=<ETS

• <BTE=<SET

• BE=ST

• Both 1 and 2 are correct

Which of the following is NOT a triangle congruence criteria?

• SAS
• AAS
• SSA
• ASA

Which conclusion can be made from the given picture, given AC || BD.

• ∠B≅∠D
• ∠C≅∠B
• ∠A≅∠D
• ∠A≅∠B

Tags

CCSS.HSG.GPE.B.5

Are the triangles congruent, if yes, why?

• SSS
• SAS
• ASA
• AAS

Are the triangles congruent, if yes, why?

• SSS
• SAS
• ASA
• Not Congruent