U četverokutu
vrijedi
,
,
. Poznato je da
raspolavlja
. Nađi
. Rješenje zaokruži na dvije decimale.
In the quadrilateral
,
,
,
are valid. It is known that
bisects
. Find
. Round the solution to two decimal places.
[lang = hr]
U četverokutu $ABCD$ vrijedi $\angle DAB=\angle ABC=110^{\circ}$, $\angle BCD=35^{\circ}$, $\angle CDA=105^{\circ}$. Poznato je da $AC$ raspolavlja $\angle DAB$. Nađi $\angle ABD$. Rješenje zaokruži na dvije decimale.
[/lang]
[lang = en]
In the quadrilateral $ABCD$, $\angle DAB=\angle ABC=110^{\circ}$, $\angle BCD=35^{\circ}$, $\angle CDA=105^{\circ}$ are valid. It is known that $AC$ bisects $\angle DAB$. Find $\angle ABD$. Round the solution to two decimal places.
[/lang]
