PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 3
Coba agan misalkan. AC = 10 - BC Masukan ke persamaan : http://s.kaskus.id/images/2014/11/30/5028418_201411300816420208.png Good luck :D Note : Kalo boleh dipajang gan jawabanya dimari :shakehand. BC = 10 - AC aturan sinus, AC/sin 45° = BC/sin 30° AC/sin 45° = (10 - AC)/sin 30° AC