Чему равна сумма углов: \(\displaystyle 81^{\circ}1^{\prime}56^{\prime \prime}+19^{\circ}49^{\prime}4^{\prime \prime}\)?

• \(\displaystyle 100^{\circ}49^{\prime}\)
• \(\displaystyle 100^{\circ}50^{\prime}\)
• \(\displaystyle 100^{\circ}51^{\prime}\)
• \(\displaystyle 100^{\circ}53^{\prime}\)