Respuesta :

Answer: D is 8

Step-by-step explanation: nothing

ameliaswan

Answer:

Step-by-step explanation:

the triangle is a 30º-60º-90º triangle, there's a formula for the sides of this type of triangle which I will attach

x = d

9 = x√3

9/√3 = x

x = 3√3

d = 3√3

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