PROOF PRACTICE

What does CPCTC stand for?

• Corresponding Parts of Congruent Triangles are Congruent
• Congruent Parts of Congruent Triangles are Corresponding
• Colorful Pieces of Corresponding Triangles are Congruent
• Congruent Pieces of Congruent Triangles are Congruent

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

Which quadrilateral has diagonals that are always perpendicular bisectors of each other?

• trapezoid
• parallelogram
• rectangle
• square

Tags

CCSS.HSG.CO.C.11

What is the "statement" for step 3 of the proof?

• AD=DA
• AN = AH
• HD=ND
• HD=DN

Tags

CCSS.HSG.SRT.B.5

Identify the  missing statement or reason

• Given
• Vertical Angles Theorem
• Definition of Angle Bisector
• Alternate Interior Angles Theorem

Tags

CCSS.HSG.SRT.B.5

What is the "statement" for step 3 of the proof? 

• ∡EDA≅∡DCB
• ∡AED≅∡BEC
• DE=CE
• ∡AED≅∡CED

Tags

CCSS.HSG.SRT.B.5

What is the reason?

• Reflexive
• Symmetric
• Definition of Congruence
• Definition of Angle

Tags

CCSS.HSG.CO.A.1

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

CCSS.HSG.SRT.B.5

What would be the correct "given" statements for this diagram?

• ∡A≅∡C, and segment DB is the angle bisector of ∡CDA
• BD=BD, and DB=DB
• ∡A≅∡C, and segment DB is the angle bisector of ∡CBA
• ∡B≅∡D, segment DB is the angle bisector of ∡DCA.

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.C.9

Identify the  missing statement or reason

• LN≅MJ
• JK≅NK
• MK≅LK
• ∠JKM≅∠NKL

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

Which of the following is not a valid reason to prove congruent triangles?

• ASA
• SAS
• SSS
• AAA

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

Which of the following is not a valid reason to prove congruent triangles?

• SSA
• AAS
• SAS
• SSS

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8