alleryStart learning →A 1 m cube is cut into 27 cubes of side one third metre. What total surface area results?
A9 m2
B12 m2
C27 m2
D18 m2
Answer & Solution
Correct answer: D. 18 m2
Each small cube has 6 times 1/9 m2, and 27 of them give 18 m2.
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