Resposta:
[tex] \boxed{\red{ \sf{x = 7}}}[/tex]
Explicação passo-a-passo:
[tex]\blue {{ _{\heartsuit} } \heartsuit_{\heartsuit} } \: \: \mathsf {OI, TUDO \: \: J\acute{O}IA \: ? \: \:\blue {{ _{\heartsuit} } \heartsuit_{\heartsuit} } }[/tex]
[tex] \sf{ { \sqrt{113} }^{2} = {8}^{2} + {x}^{2} } \\ \\ \sf{113 = 64 + {x}^{2} } \\ \\ \sf{ - {x}^{2} = 64 - 113 } \\ \\ \sf{ - {x}^{2} = - 49} \\ \\ \sf{ {x}^{2} = 49 } \\ \\ \sf{x = \sqrt{49} } \\ \\ \boxed{\red{ \sf{x = 7}}}[/tex]
[tex]\mathcal{ATT : ARMANDO} \\ \mathfrak{\small04\diagup01\diagup2021} \\ \mathfrak{\small{3} :{36} \: \: pm}[/tex]
