Respuesta:
12
Explicación paso a paso:
por Pitágoras
[tex]a^{2} +b^{2} =c^{2}[/tex]
[tex]5^{2} +x^{2} =13^{2} \\25 + x^{2} =169\\x^{2} =144\\x=12[/tex]
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Respuesta:
12
Explicación paso a paso:
por Pitágoras
[tex]a^{2} +b^{2} =c^{2}[/tex]
[tex]5^{2} +x^{2} =13^{2} \\25 + x^{2} =169\\x^{2} =144\\x=12[/tex]