Jawabanmu

2014-04-03T14:00:52+07:00
Lp = 2 {(p.l)+(l.t)+(p.t)} 198 = 2 {(p. 6)+(6.3)+(p.3)} 198 = 2 (6p + 18 + 3p) 198 = 36 + 18p 18 p = 198 :36 p = (Hasil dari 198:36) :18
2014-04-03T14:01:47+07:00
Luas = panjang x lebar
panjang = luas : lebar = 198 : 6 = 33 cm