Question

Find the measure of the arc indicated. ? D 1290 V C С E 50° F

Answer 1

`\begin{gathered} \text{Arc DE=?} \\ 129^(\circ)=(1)/(2)(50+x) \\ 129=25+(x)/(2) \\ 129-25=(x)/(2) \\ 104=(x)/(2) \\ x=208^(\circ) \end{gathered}`