\[\boxed{\mathbf{1.}\mathbf{103}}\]
\[\angle KOL = 130{^\circ}\]
\[\angle LOM = 50{^\circ}\]
\[\angle MON = 130{^\circ}\]
\[\angle NOK = 50{^\circ}\]
\[\angle KOL = \angle MON;\ \ \angle LOM =\]
\[= \angle NOK.\]
\[Равна\ 180{^\circ}\ сумма\ углов:\]
\[1)\ KOL\ и\ LOM;\]
\[2)\ MON\ и\ NOK;\]
\[3)\ KOL\ и\ NOK;\]
\[4)\ MON\ и\ \text{LOM.}\]