Răspuns:
1° = 60' = 3600"
1)
a) 90°= (90·60)' = 5400'
b) 315" = (315÷60)' = 5,25'
2)
a) 24° = (24·60)' = 1440'
15360" = (15360:60)' = 256'
b) 2,16° = (2,16·3600)" = 7776"
4,5' = (4,5·60)"=270"
0,(3)' = [tex](\frac{3}{9})' = (\frac{3}{9}*60)" = 20"[/tex]
c) 43200" = (43200:3600)° = 12°
12560"= (12560:3600)° = 3,4(8)°
204' = (204:60)° = 3,4°
