Jawaban: 1. 40° 32' 35" + 26° 34' 58" = 67° 07' 33"2. 55° 43' 52" - 37° 18' 41" = 18° 25' 11"3. 86° 27' 13" - 57° 46' 59" = 28° 40' 14"4. 89° 24' 36" + 27° 43' 57" = 117° 08' 33"5. 108° 51' 20" + 60° 54' 43" = 169° 46' 03"6. 66° 55' 44" + 33° 22' 11" = 100° 17' 55"7. 42° 39' 47" - 28° 19' 32" = 14° 20' 15"8. 53° 43' 49" - 19° 27' 43" = 34° 16' 06"9. 36° 17' 12" + 28° 45' 13" = 65° 02' 25"10. 42° 38' 17" - 23° 42' 38" = 18° 55' 39" Semoga ini membantu!