CPCTC Intro

What postulate proves these triangles congruent?

• SAS
• ASA
• AAS
• Not enough information

Tags

CCSS.HSG.SRT.B.5

What postulate proves these triangles congruent?

• HL
• SSS
• SAS
• ASA

Tags

CCSS.HSG.SRT.B.5

What postulate proves these triangles congruent?

• SAS
• HL
• AAS
• ASA

Tags

CCSS.HSG.SRT.B.5

Which triangle congruence theorem can be used to prove the triangles are congruent?

• SSA

• AAS

• SAS

• HL

Tags

CCSS.HSG.SRT.B.5

What does CPCTC stand for?

• Congruent parts of congruent triangles are congruent
• Corresponding parts of congruent triangles are congruent
• Corresponding parts of corresponding triangles are corresponding
• Corresponding parts of congruent triangles are Canadian.

Tags

CCSS.HSG.SRT.B.5

When do you use "CPCTC in a proof?

• ALWAYS at the beginning
• ALWAYS at the end
• It's optional
• NEver

Tags

CCSS.HSG.SRT.B.5

When does one use CPCTC?

• Before triangles are congruent
• After triangles are congruent
• Whenever one wants, there are no restrictions
• There is no such thing as CPCTC

Tags

CCSS.HSG.SRT.B.5

What will the last "reason" of this proof be?

• Definition of Midpoint
• Definition of Angle Bisector
• CPCTC
• Reflexive

Tags

CCSS.HSG.CO.C.9

Will this proof need to use CPCTC?

• No, because the "Prove" statement is about triangles.

• Yes, because there are vertical angles.

Tags

CCSS.HSG.SRT.B.5

Will this proof need to use CPCTC?

• Yes, because the "Prove" statement is about parts of triangles.

• No, because we can use the Reflexive Property.

Tags

CCSS.HSG.SRT.B.5