Răspuns:
a) 1050'
b) 2715'
c) 1423'
d) 2061'
e) 703'
f) 1757'
Explicație pas cu pas:
a) 17°30' = 17·60'+30' = 1020'+30' = 1050'
b) 45°15' = 45·60'+15' = 2700'+15' = 2715'
c) 23°43' = 20·60'+43' = 1380'+43' = 1423'
d) 34°21' = 34·60'+21' = 2040'+21' = 2061'
e) 11°43' = 11·60'+43' = 660'+43' = 703'
f) 29°17' = 29·60'+17' = 1740'+17' = 1757'