Чему равна сумма углов: \(\displaystyle 1^{\circ}2^{\prime}+1^{\circ}2^{\prime}3^{\prime \prime}\)?

• \(\displaystyle 3^{\circ}2^{\prime}4^{\prime \prime}\)
• \(\displaystyle 4^{\circ}2^{\prime}3^{\prime \prime}\)
• \(\displaystyle 2^{\circ}3^{\prime}4^{\prime \prime}\)
• \(\displaystyle 2^{\circ}4^{\prime}3^{\prime \prime}\)