Jawabanmu

2014-04-25T20:06:42+07:00
Pake rumus a/sin a= b/sin b=c/sin c BC=a AC=b tan a =4/3 sina = 4/5 cos b=12/13 sinb= 5/13 masukin deh ke rumus BC/sina=AC/sinb 6/4/5=AC/5/13 7,5=AC/5/13 13AC=37,5 AC=2.8