The total surface area of a cube of side l is:
ANine l squared
BTwelve l squared
CSix l squared
DFour l squared
Answer & Solution
Correct answer: C. Six l squared
1. A cube has six identical square faces.
2. Each face has area l squared.
3. The total surface area of a cube of side l is 6l squared.
4. So the answer is six l squared.
_Source: NCERT Class 8 Mathematics, Ch 9 'Mensuration'_
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