Výpočet veľkosti uhla

\( α\ +\ β\ =\ 200° \)
\( 131° 53'\ +\ β\ =\ 200° \)
\( β\ =\ 200° − 131° 53' \)
\( \normalsize\beta=68\degree7^{\prime} \)
\( α\ +\ β\ =\ 180° \)
\( 131° 53'\ +\ β\ =\ 180° \)
\( β\ =\ 180° − 131° 53' \)
\( \normalsize\beta=48\degree7^{\prime} \)
\( α\ +\ β\ =\ 190° \)
\( 131° 53'\ +\ β\ =\ 190° \)
\( β\ =\ 190° − 131° 53' \)
\( \normalsize\beta=58\degree7^{\prime} \)
\( α\ +\ β\ =\ 170° \)
\( 131° 53'\ +\ β\ =\ 170° \)
\( β\ =\ 170° − 131° 53' \)
\( \normalsize\beta=38\degree7^{\prime} \)