Triangle proof statements and reasons

Given that the two triangles are congruent, m≺XZY ≅ ___________.

• m≺TSR
• m≺RTS
• RT
• m≺SRT

• multiplication POE
• distributive property
• division POE
• addition POE

• symmetric POE
• reflexive POE
• transitive POE
• definition of congruence

What does CPCTC stand for?

• Corresponding Parts of Corresponding Triangles are Congruent
• Congruent Parts of Corresponding Triangles are Congruent
• Corresponding Parts of Congruent Triangles are Congruent

What is the justification?

• Symmetric Prop.
• Angle addition postulate
• Reflexive Prop
• Transitive Prop.

What is the reason?

• Definition of Right angle
• Definition of 90 
• Definition of supplementary
• Definition of complementary

What is the reason?

• Definition of Complementary
• Definition of 180 
• Definition of supplementary
• Angle Addition

Tags

CCSS.7.G.B.5

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

• T is the midpoint of segment BG and
  ∡B≅∡G
• ∡B≅∡G and ∡A≅∡W
• T is the midpoint of segment BG and ∡A≅∡W
• T is the midpoint of segment AW and ∡A≅∡W

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

• ASA
• SAS
• SSS
• AAA

Tags

CCSS.HSG.SRT.B.5

What is an important part of writing proofs?

• Guessing the answer
• Marking the picture
• Leaving answers blank
• Always choosing the same answers