Ex 2,3. Plz dau Corona și 40 de puncte urgent plz??????

Răspuns:

2)

12°=12*3600''=43,200''

43'=42*60''=2,520''

2°=2*3600''=7200''

5°3'=5*3600''+3*60''=18,180''

7°12''=7*3600''+12*60''=25,920‬''

10'15''=10*60''+15''=615''

3)60''=60'':60=1'

120''=120'':60=2'

420''=420'':60=7'

540''=540'':60=9'

3000''=3000'':60=50'

3120''=3120'':60=52'

Răspuns:

2. a) 12'= 12×60"=720"

b) 42'= 42×60"=2520"

c) 2°=2×3600"=7200"

d) 5°3'= 5×3600"+3'x60"=18180"

e) 7°12'=7×3600"+12'×60"=25920"

f) 10'15"=10×60"=615"

3. a) 60":60=1'

b) 120":60=2'

c) 420":60=7'

d) 540":60=9'

e)3000":60=50'

f) 3120":60=52'