luas BDC luas = 1/2 x a x t = 1/2 x 12 x 4 = 12 x 2 = 24 cm²
luas alas luas = 1/2 x a x t = 1/2 x 4 x 3 = 6 cm² volum = La x t = 6 x 12 = 72 cm³ kliling alas Ka = 3 + 4+ 5 = 12 luas permukaan Lp = 2 x La + k x t = 2 x 6 + 12 x 12 = 12 + 144 = 156 cm²
luas BDC
luas = 1/2 x a x t
= 1/2 x 12 x 4
= 12 x 2
= 24 cm²
luas alas
luas = 1/2 x a x t
= 1/2 x 4 x 3
= 6 cm²
volum = La x t
= 6 x 12
= 72 cm³
kliling alas
Ka = 3 + 4+ 5
= 12
luas permukaan
Lp = 2 x La + k x t
= 2 x 6 + 12 x 12
= 12 + 144
= 156 cm²