Mensurationmedium · Past Paper
The diagonal of a face of a cube is 4*sqrt(2) cm. What is the total surface area of the cube?
A64 cm²
B96 cm²
C16 cm²
D32 cm²
✓ Correct Answer: B — 96 cm²
Diagonal of face = sqrt(2)l = 4*sqrt(2) => l = 4. TSA = 6l² = 6 * 16 = 96 cm².
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