172°38′24〃=172°(38+24/60)′=172°38.4′=(172+38.4/60)°=172.64°8°13′48〃=8°(13+48/60)′=8°13.8′=(8+13.8/60)°=8.23°130°24′36〃=130°(24+36/60)′=130°24.6′=(130+24.6/60)°=130.41°52.15...