If total surface area of a cube is 384 cm2, then what is the volume of cube?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 512 cm3.
Total surface area of cube = 6a2 = 384
⇒ a2 = 64 ⇒ a = 8 cm
Volume = a3 = 83 = 512 cm3