Respuesta :

Answer:

A

Step-by-step explanation:

[tex] {8}^{2} = {x}^{2} + { 3}^{2} \\ {x}^{2} = {8}^{2} - {3}^{2} \\ {x}^{2} = 64 - 9 \\ x = \sqrt{55} = 7.416[/tex]