Triangle Congruence Proofs Review

If L is the midpoint of TJ, what must be true? (a)  

• TL=JT
• JL=TJ
• TL=LJ
• T is also the midpoint of JL

Tags

CCSS.HSG.CO.C.10

If DA bisects IE, then (a)  

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

Tags

CCSS.HSG.CO.C.9

If AD bisects <EDI, then (a)  

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

Tags

CCSS.HSG.CO.C.9

If DA is the perpendicular bisector or EI, then

• <IAD and <DAE are right angles
• DI=DE
• EA=IA
• <IAD and <DAE are right angles and

  EA=IA

Tags

CCSS.HSG.CO.C.9

An angle bisector cuts an angle into two congruent ​ (a)  

• segments
• triangles
• angles

Tags

CCSS.HSG.CO.C.9

A segment bisector cuts a segment into two congruent

• segments

• angles

• triangles

Tags

CCSS.HSG.CO.A.1

In this picture, we know for sure that:

(select all that apply)

• <TEB=<ETS
• <BTE=<SET
• BE=ST
• TE = TE

Tags

CCSS.HSG.CO.C.11

In this picture, we can say this is true:

• <BCA=<DCE because they are vertical angles and vertical angles are always congruent to each other
• <C=<C because they are vertical angles and vertical angles are always congruent to each other
• EC = CB

• AC = CD

Tags

CCSS.7.G.B.5

If we know that <IAD and <DAE are both right angles, then we know for sure that 

• <ADI=<ADE
• IA=EA
• They are congruent to each other
• All of the above

Tags

CCSS.HSG.CO.C.9

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.B.5