[tex]\angle A +\angle B+ \angle C+ \angle D=360^{\circ} \\
\angle A =\angle C~si~\angle B= \angle D~(opuse) \\
\angle A+ \angle B=180^{\circ}(ungh.~alatur.) \\
\angle C+ \angle D=180^{\circ}(ungh.~alatur.) \\
\angle A=35^{\circ} \\
^{\underline{~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~}} \\
\angle B,\angle C,\angle D =??? \\
^{\underline{~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~}} \\
\angle A=\underline{ \angle C=35^{\circ}} \\
35+\angle B=180 \\
\underline{\angle B=\angle D=145^{\circ}}[/tex]
