Jawabanmu

2014-08-09T17:35:39+07:00
Dik : lebar slide = 36mm dan tinggi slide = 24mm , serta lebar layar = 2,16m =              2.160mm.
dit : tinggi layar =?
jawab : 36/2.160 = 24/t
           t = 2.160x24/36
           t = 1.440mm = 1,44m
semoga membantumu :)