Which is the lateral surface area of a cube of side x?
A
6x2
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B
4x2
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C
x2
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D
2x2
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Solution
The correct option is B4x2 Total surface area of a cube of side x is given as =6x2.
Now, for Lateral surface are we have to exclude the areas of top face and bottom face.
Lateral surface area = Total surface area - area of top face - area of bottom face
Lateral Surface area =6x2−x2−x2
Lateral Surface area =6x2−2x2=4x2