Jawab:
Vbalok = 1/5 Vkubus
p x l x t = 1/5 s x s x s
32 x l x l = 1/5 x 40 x 40 x 40 (lebar balok = tinggi balok)
l^2 = 400
l = 20 cm, t= 20 cm
Jadi lebar balok adalah 20 cm
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Jawab:
Vbalok = 1/5 Vkubus
p x l x t = 1/5 s x s x s
32 x l x l = 1/5 x 40 x 40 x 40 (lebar balok = tinggi balok)
l^2 = 400
l = 20 cm, t= 20 cm
Jadi lebar balok adalah 20 cm