Respuesta :

Answer:

13.7

Step-by-step explanation:

[tex]x^2 + 30^2 = 33^2[/tex]

[tex]x^2 + 900 = 1089[/tex]

[tex]x^2 = 189[/tex]

[tex]x = \sqrt{189}[/tex]

[tex]x = 13.7[/tex]