Pai transformi gradele in minute si apoi in secunde si vei obtine:
47 gr=47*60=2820 minute=169200 secunde
39 minute=39*60=2340 secunde
47 grade 39 minute=169200+2340=171540 secude
Iar 47 grade 39 minute 28 secunde=171540+28=171568 secunde.
Sper ca ai inteles