Question

△vyz≅△xwz. complete the proof that △vwz≅△xyz.
statement
1 △vyz≅△xwz
2 vz=xz
3 wz=yz
4 ∠vzw=∠xyz
5 △vwz≅△xyz
reason
given
cpctc
vertical angle theorem
sas

Explanation:

Step1: Recall CPCTC

CPCTC (Corresponding Parts of Congruent Triangles are Congruent). Since $\triangle VYZ\cong\triangle XWZ$, then the corresponding sides $WZ$ and $YZ$ are congruent.

Answer:

CPCTC (Corresponding Parts of Congruent Triangles are Congruent)