Respuesta :

faryna

[tex] \frac{ \frac{7 \sqrt{2} }{2} }{ \sin(45) } = \frac{x}{ \sin(90) } [/tex]
[tex]x = \frac{ \frac{7 \sqrt{2} }{2} }{ \sin(45) } \times \sin(90) [/tex]
[tex]x = 7[/tex]
The answer is C

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