Find the total surface area of a cube whose volume is 343 m3.
Answer & explanation
Correct answer: option 2
We know that,
Volume of cube = side3
Total surface area of cube = 6 side2
We have,
Volume of cube = 343 m3
side 3 = 343
side = 7 m
Now , 6 × side 2 = 6 × 7 ×7 = 294 m2