Question

hallar el valor de x​

Answer 1

I... Hallas la hipotenusa.

  $I... Hallas la hipotenusa\\\\3^{2} +7^{2} =h^{2} \\\\9+49=h^{2}\\\\57=h^{2} \\\\\sqrt{57} =h\\\\\\II... Hallar x\\\\\sqrt{57} ^{2} +\sqrt{23}^{2} =x^{2} \\\\57+23=x^{2} \\\\80=x^{2} \\\\\sqrt{80} =x$