Given:

To find:
The value of x.
Solution:
We know that, corresponding sides of similar triangles are proportional.
Since,
, therefore

On substituting the values from the figure, we get


On cross multiplication, we get




Therefore, the value of x is 4.
This would be 11.83 I hope you pass your test/quiz :)
the answer is 1/8. I double checked
(7,0) is the right option hope this helps :D