Respuesta:
AC = 18
Explicación paso a paso:
b = 2x
b² = a² + c²
(2x)² = a² + c²
4x² = a² + c²
[tex]M_b=\frac{1}{2}\sqrt{2(a^2+c^2)-b^2} \\\\9=\frac{1}{2} \sqrt{2(4x^2)-(2x)^2} \\\\18=\sqrt{8x^2-4x^2} \\\\18=\sqrt{4x^2} \\\\18=2x\\\\AC=2x\\\\\\AC=18[/tex]
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Respuesta:
AC = 18
Explicación paso a paso:
b = 2x
b² = a² + c²
(2x)² = a² + c²
4x² = a² + c²
[tex]M_b=\frac{1}{2}\sqrt{2(a^2+c^2)-b^2} \\\\9=\frac{1}{2} \sqrt{2(4x^2)-(2x)^2} \\\\18=\sqrt{8x^2-4x^2} \\\\18=\sqrt{4x^2} \\\\18=2x\\\\AC=2x\\\\\\AC=18[/tex]