A metal cube of edge 6 cm is melted and recast into a cuboid 9 cm by 6 cm at the base. Find its height.
A2 cm
B4 cm
C3 cm
D6 cm
Answer & Solution
Correct answer: B. 4 cm
Volume stays 216 cm³, so the height is 216 / 54 = 4 cm.
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