Jawab:
Volume: 4.000 cm^3
Luas permukaan: 690 cm^2
Penjelasan dengan langkah-langkah:
V. kubus = s x s x s
= 10 x 10 x 10
= 1.000
V. balok = p x l x t
= 20 x 15 x 10
= 3.000
V. gabungan = 1.000 + 3.000
= 4.000 cm3
Lp kubus = 6 x s2
= 6 x 10^2
= 6 x 100
= 600
Lp balok = 2(pl + lt + pt)
= 2(20 + 10 + 15)
= 2 x 45
= 90
Lp gabungan: 600 + 90
: 690 cm^2
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Jawab:
Volume: 4.000 cm^3
Luas permukaan: 690 cm^2
Penjelasan dengan langkah-langkah:
V. kubus = s x s x s
= 10 x 10 x 10
= 1.000
V. balok = p x l x t
= 20 x 15 x 10
= 3.000
V. gabungan = 1.000 + 3.000
= 4.000 cm3
Lp kubus = 6 x s2
= 6 x 10^2
= 6 x 100
= 600
Lp balok = 2(pl + lt + pt)
= 2(20 + 10 + 15)
= 2 x 45
= 90
Lp gabungan: 600 + 90
: 690 cm^2