CPCTC Proofs

CPCTC

Corresponding Parts of Congruent Triangles are Congruent

​Hint: Look at the "tick" marks to determine which sides are congruent to one another

Multiple Choice

Complete the congruence statement $$AB\cong?$$  

• $$LM$$  

• $$MN$$  

• $$NL$$  

Multiple Choice

Complete the congruence statement $$BC\cong?$$  

• $$LM$$  

• $$MN$$  

• $$LN$$  

Multiple Choice

Complete the congruence statement $$AC\cong?$$  

• $$LM$$  

• $$MN$$  

• $$NL$$  

​Hint: Look at the "arcs" to determine

which sides are congruent to one another

Multiple Choice

Complete the congruence statement $$\angle D\cong?$$  

• $$\angle I$$  

• $$\angle J$$  

• $$\angle K$$  

Multiple Choice

Complete the congruence statement $$\angle E\cong?$$  

• $$\angle I$$  

• $$\angle J$$  

• $$\angle K$$  

Multiple Choice

Complete the congruence statement $$\angle F\cong?$$  

• $$\angle I$$  

• $$\angle J$$  

• $$\angle K$$  

Multiple Choice

What does CPCTC stand for?!

• Congruent parts of congruent triangles are corresponding

• Corresponding parts of congruent triangles are congruent

• Corresponding parts of corresponding triangles are congruent