Respuesta :

Answer:

x = 2.5

Step-by-step explanation:

hypotenuse^2 = side^2 + side^2

(x+4)^2 = x^2 + (6)^2

x^2 + 8x + 16 = x^2 +36

we get,

8x = 36 - 16

x = 20/8

x = 2.5