Triangle similarity/congruency proofs review

Which theorem(s) can be used to prove triangle similarity?

• SAS

• AA

• AAS

• SSS

• HL

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

Which theorem is used to prove these triangles are congruent?

• SAS

• AA

• SSS

• Not congruent

Tags

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

What do the arrows on these triangles represent?

• Perpendicular lines

• Parallel lines

• Transversals

• Congruent

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.CO.C.10

CCSS.HSG.CO.C.9

When writing proofs, what is always the last reason?

• Given

• Theorem

• Prove

Using the given triangles, solve for x.

• 10

• 9

• 13

• 8

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

• 10

• 12

• 11

• 9

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

What is needed to use SAS theorem?

• Two sides

• An included side

• Two angles

• An included angle

Tags

CCSS.HSG.CO.B.8

Which of the following is NOT a reason sides can be congruent?

• Definition of Midpoint

• Parallel lines

• It's Given

• Reflexive Property

What theorem would prove the two triangles are congruent?

• SSS

• AAS

• HL

• SAS

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

Which of the following are true?

 $If\ \Delta ABC\ \cong\ \Delta DEF,\ then$  

•  $\angle A\cong\angle F$  

•  $\overline{AB}\ \cong\ \overline{DE}$  

•  $\angle B\cong\angle E$  

•  $\Delta CBA\ \cong\ \Delta FED$  

•  $\Delta BAC\ \cong\ \Delta FDE$  

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.4