Which of the following best completes the proof showing that δWXZ ~ δXYZ?
The proportion _________ₛhows the corresponding sides are proportional, so the triangles are similar by the SAS similarity postulate.
a) WX/XY = XZ/YZ
b) WX/XY = WZ/YZ
c) WZ/XY = WX/YZ
d) WZ/XY = XZ/YZ