Answer :

evgeniylevi
Consider this solution:
1. for WX: WX=√(6²+0)=6;
for XY: XY=√(0+6²)=6;
for YZ: YZ=√(6²+0)=6;
for WZ: WZ=√(0+6²)=6.
2. Perimeter is: 6+6+6+6=24.
answer: 24