Relax

Respuesta :

From the diagram, we know that:

[tex]\begin{gathered} 56^0+(3x+7)^0=90^0\text{ (Angles in a right-angle)} \\ \operatorname{Re}-\text{arranging, we have} \\ 3x\text{ = 27} \\ x=9^0\text{ } \end{gathered}[/tex]

The final answer is x = 9