Question

Please help with this

Answer 1

your answer will be (D)

which is 80

Explanation:

Answer 2

If the quadrilateral is a trapezoid, then we have:

`\it x+80^o+x = 180^o \Rightarrow 2x+80^o=180^o\bigg|_(-80)\ \Rightarrow 2x=100^o\bigg|_(:2) \ \Rightarrow x= 50^o`