Please help to prove parallelogram.

The question requests proof that WV = VR. See the definition of Mathematical proof and the explanation for the proof below.
Mathematical proof refers to the steps of logical arguments which are given to show that a mathematical statement is true or correct.
Reason: This is given. The image is a parallelogram.
Therefore if ΔSVR ≅ PVW;
Then WV = VR.
QED.
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