Here are the options, please help! 1.) 322.) 183.) 1/94.) 216

Question

Answer:

Answer
2) 18

Explanation
I believe you want us to help you find the value of x.
From the figure you can see that the 2 triangles are similar. They share one side (the hypotenuse) and the have an angle of 90o.
So, ∆DEF≅∆DGF
Therefore,
EF=GF
4X+144=12X
8X=144
X=18