Respuesta :

Step-by-step explanation:

[tex] {9}^{2} = {6}^{2} + {x}^{2} \\ 81 = 36 + {x}^{2} \\ {x}^{2} = 45 \\ x = 6.71 \: ft[/tex]

6.71 is answer ok plz MARK me as BRAINLIST