Question

Transformați in minute a)10 grade b)90 grade c)420 grade d)25 grade și 45 min

Answer 1

1 grad = 60 minute, 1°=60'

a) 10°=10×60=600 minute=600'

b) 90°=90×60=5400 minute=5400'

c) 420°=420×60=25200'= 25200 minute

d) 25°45'=25×60+45=1545' =1545 minute