Overlapping Triangle Proofs

Angles 14 and 6 are

• alternate interior and congruent

• alternate exterior and congruent

• corresponding and congruent

• consecutive interior and congruent

Angles 4 and 6 are

• alternate interior and congruent

• alternate exterior and congruent

• corresponding and congruent

• consecutive interior and congruent

Angles 4 and 8 are

• alternate interior and congruent

• alternate exterior and congruent

• corresponding and congruent

• consecutive interior and congruent

Angles 10 and 13 are

• alternate interior and congruent

• alternate exterior and congruent

• corresponding and congruent

• consecutive interior and supplementary

Angles 2 and 3 are

• linear pair and congruent

• linear pair and supplementary

• vertical and congruent

• consecutive interior and supplementary

If DA bisects IE, then

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

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

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

If AD bisects <EDI, then

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

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

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

If DA bisects EI, then

• <IDA = <EDA
• AI=EA
• Both 1 and 2 are correct
• DI=ED