Theorems Triangles

Which of these triangle pairs can be proven similar using AA?

Mark all that apply.

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• 
• 
• 

What is the missing piece of information required to prove these triangles congruent?

• QY ≅ QY

• NY ≅ PY

• ∠N ≅ ∠P

• QY is the perpendicular bisector

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

Name the property of equality or congruence that justifies going from the first statement to the second statement.

• Reflexive Property of Congruence

• Symmetric Property of Congruence

• Distributive Property

• Transitive Property of Congruence

In triangle ABC, the length of side AB is 18 inches and the length of side BC is 23 inches. Which of the following could be the length of side AC.

• 43 inches

• 3 inches

• 32 inches

• 46 inches