Answer :

Danboghiu66

Not sure if YX=8 or UX=8.

If UX=8:

Triangle UYV is similar to UXW:

UY/UX=UV/UW

1/8=4/UW

UW=4×8=32

If YX=8, then UX=9

It reveals that

UW=4×9=36

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