Respuesta :

Answer: x = 17

Step-by-step explanation:

[tex]a^{2} + b^{2} = c^{2} \\ 15^{2} + 8^{2} = c^{2} \\ 225+64=c^{2} \\ 289=c^{2} \\ \sqrt{289} = \sqrt{c^{2} } \\ 17[/tex]