Respuesta :

ANCKPOP

Answer:

8.87

Step-by-step explanation:

The square means "right angle"

[tex] \sin(\alpha ) = \frac{x}{13} \\ \\ \sin(43) = \frac{ x }{13} \\ \\ x = \sin(43) \times 13 \\ x = 8.86597868081 \\ x = 8.87[/tex]

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