Jawabanmu

2014-04-13T16:35:57+07:00
Panjang rusuk = 4 ( p + l + t )
288 = 4 ( 4x + 3x + 2x )
288 = 4 × 9x
288 = 36x
x = 8

t = 2x
t = 2 × 8
t =  16