Respuesta :

You can use the pathagorean theorm.
[tex]a^2 + b^2 = c^2[/tex]
[tex]a^2 + 6^2 = \sqrt{117}^2[/tex]
[tex]a^2 + 36 = 117[/tex]
[tex]a^2 = 117 - 36[/tex]
[tex]a^2 = 81[/tex]
[tex]\sqrt{a^2} = \sqrt{81}[/tex]
[tex]a = 9[/tex]
x = 9

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