Jawabanmu

2014-04-22T18:07:03+07:00
Dik : f = 20
       s = 6
       h = 6
dit : w ?
jwb :
W/F   = S/H
W/20 =  6/6
W      = 20 × 6 ÷ 6
W      = 120/6
W      = 20