A) \[~200\text{ }c{{m}^{2}}\]
B) \[420\text{ }c{{m}^{2}}\]
C) \[~360\text{ }c{{m}^{2}}\]
D) \[270\text{ }c{{m}^{2}}\]
Correct Answer: C
Solution :
Consider two cubes of side 6 cm joined end to end. The cuboid formed is of dimensions \[12\,cm\times 6cm\times 6cm.\] \[\therefore \]Surface area of a cuboid \[=2(lb+bh+hl)=360c{{m}^{2}}\]
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