Jawabanmu

2014-06-02T18:08:13+07:00
Volume limas = 1/3 luas alas x tinggi
16856 = 1/3 (43 x lebar) x 84
16856 = 28 x 43 x lebar
16856/(28 x 43) = lebar
14 = lebar
2014-06-02T18:11:02+07:00
V = 1/3 x luas alas x tinggi
16.856 = 1/3 x 43 x lebar x 84
16.856 = 43 x lebar x 28
16.856 = 1.204 x lebar
lebar = 16.856/1.204
       = 16