132 cm
Penjelasan dengan langkah-langkah:
panjang = 4y cm
lebar = 2y cm
tinggi = 5y cm
p x l x t = V
4y x 2y x 5y = 1080
40y³ = 1080
y³ = 1080/40
= 27
y = ³√27 = 3
maka
p = 4y = 4 x 3 = 12 cm
l = 2x = 2 x 3 = 6 cm
t = 5y = 5 x 3 = 15 cm
jumlah panjang rusuk
= 4 x (p + l + t)
= 4 x (12 + 6 + 15)
= 4 x 33
= 132 cm
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132 cm
Penjelasan dengan langkah-langkah:
panjang = 4y cm
lebar = 2y cm
tinggi = 5y cm
p x l x t = V
4y x 2y x 5y = 1080
40y³ = 1080
y³ = 1080/40
= 27
y = ³√27 = 3
maka
p = 4y = 4 x 3 = 12 cm
l = 2x = 2 x 3 = 6 cm
t = 5y = 5 x 3 = 15 cm
jumlah panjang rusuk
= 4 x (p + l + t)
= 4 x (12 + 6 + 15)
= 4 x 33
= 132 cm