Respuesta :

Answer:

D)  6.4

Step-by-step explanation:

The Angle Bisector Theorem says that an angle bisector of a triangle will divide the opposite side into two segments that are proportional to the other two sides of the triangle.

This means that:

18/9.6 = 12/x

Solving for x:

x = 12*9.6/18

x = 6.4  

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