Respuesta :

Answer:

8[tex]\sqrt{5}[/tex]

Step-by-step explanation:

To find the value of x we use the following Euclidian theorem:

x^2 = 16*(16+4)

x^2 = 16*20 do the multiplying

x^2 = 320 find the root for both sides

x = 8[tex]\sqrt{5}[/tex]