Limas alas persegi panjang dengan panjang 43 cm,tinggi 84 cm , dan volume 16.856 cm3 , lebar alas limas tersebut adalah ???
AlamDoang
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
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Bayusevenvoldisme
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
16856 = 1/3 (43 x lebar) x 84
16856 = 28 x 43 x lebar
16856/(28 x 43) = lebar
14 = lebar
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