Question

I need to know the measure of Z and how to get the answer?

Answer 1

So all quadrilateral add to 360.
You have the expression 7x+11+2+11x+99+104=360.
18X+13+104+99=360
So 18X is 360-216 which is 144
So 18X is 144
X is 144/18
Is 8