NCERT · Class 8 · Mathematics · MensurationWhat is the total surface area of a cube of side $a$?
Step-by-Step Solution
A cube has 6 square faces, each of area $a^2$. Therefore, the total surface area $= 6a^2$.
Detailed Options Breakdown
Option : $4a^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 1: $6a^2$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: $a^3$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 3: $2a^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
💡 Study Guide: This question tests core syllabus concepts from Mensuration. For formulas, key summaries, and mock exam reference guides, read the full Mensuration Revision Notes.