Respuesta:
Por el teorema de Pitagoras:
[tex](13cm)^{2} =(5cm)^{2} +(x)^{2} \\ \\ 169cm^{2} =25cm^{2} +(x)^{2} \\ \\ 169cm^{2} -25cm^{2} =(x)^{2} \\ \\ 144cm^{2} =(x)^{2} \\ \\ \sqrt{144cm^{2} } =x\\ \\ 12cm=x\\ \\ Rpta: x=12[/tex]
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Respuesta:
Por el teorema de Pitagoras:
[tex](13cm)^{2} =(5cm)^{2} +(x)^{2} \\ \\ 169cm^{2} =25cm^{2} +(x)^{2} \\ \\ 169cm^{2} -25cm^{2} =(x)^{2} \\ \\ 144cm^{2} =(x)^{2} \\ \\ \sqrt{144cm^{2} } =x\\ \\ 12cm=x\\ \\ Rpta: x=12[/tex]