Question

Rendi akan membuat kerangka kubus dari kawat jika volume kubus 27.000cm³ maka panjang kawat yang diperlukan adalah? A:360
B:240
C:204
D:120

Answer 1

Verified answer

Bangun Ruang

V = 27000 cm³

V = s³
s = ∛V
s = ∛27000
s = ∛27 × ∛1000
s = 3 × 10
s = 30 cm

Panjang Kerangka Kubus
= 12 × s
= 12 × 30
= 360 cm [A]

Answer 2

Verified answer

V. kubus = s³
27.000 = s³
s = ³√27.000
s = 30

panjang rusuk kubus = 12S
= 12 × 30
= 360cm ➡ A.

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