Răspuns:
Explicație pas cu pas:
a) 15° = 15·60' = 900'
c) 25°43' = 25·60'+43' = 1500'+43' = 1543'
e) 39°36' = 39·60'+36' = 2340'+36' = 2376'
b) 75° = 75·60' = 4500'
d) 113°13' = 113·60'+13' = 6780'+13' = 6793'
f) 24°46' = 24·60'+46' = 1440'+46' = 1486'