Jawabanmu

2014-04-03T17:54:13+07:00
Lp = 2(p.l+p.t+l.t) = 468cm^2 = 2(4x.3x + 4x.2x + 3x.2x) = 468 cm^2 = 2(12x^2+8x^2+6x^2) = 468 cm^2 = 2(26x^2) = 468 cm^2 = 52x^2 = 468 = x^2 = 468/52 = x = akar pangkat 2 dari 9 = 3 p = 4.3 = 12 cm , l = 3.3 = 9 cm, t = 2.3 = 6 cm