Vrhovi peterokuta

leže na istoj kružnici. Ako je

, koliko iznosi

u stupnjevima?
The vertices of pentagon

lie on the same circle. If

, what is the value of

in degrees?
[lang=hr]
Vrhovi peterokuta $ABCDE$ leže na istoj kružnici. Ako je $\angle CAD = 50^\circ$, koliko iznosi $\angle ABC + \angle AED$ u stupnjevima?
[/lang]
[lang=en]
The vertices of pentagon $ABCDE$ lie on the same circle. If $\angle CAD = 50^\circ$, what is the value of $\angle ABC + \angle AED$ in degrees?
[/lang]