Respuesta :

UW = 45
a squared + b squared = c squared
- 6^2 + x^2 = 9^2
- 36 + x = 81
- (subtract 36 from both sides)
- x = 45

i'm pretty sure this is right and i hope it helps you!

Answer:

6^2+x^2 = 9^2

x^2 = 9^2-6^2 = 81-36 = 45

x = √45

UW = √45 ft