Respuesta :

Darasimi

Step-by-step explanation:

[tex]80 + 2x = 180(angle \: in \: a \:cyclic \: \\ quadilateral \\ 2x = 180 - 80 \\ 2x = 100 \\ x = \frac{100}{2} \\ x = 50[/tex]
I think the answer is 50 but idk