10. The volume of a cube is 512 cm. What is its total surface area?
(1) 256 cm (2) 484 cm 3)384 cm (4) 216 cm .
Answers
Answered by
5
Answer:
384cm²
Step-by-step explanation:
HI!
Volume = 512cm³
=> V = a³
∴ a = ∛V
=> a = ∛512
=> a = 8cm
Total surface area = 6a²
=> 6×8²
=> 6×64
= 384cm²
Hope it helps!
Answered by
5
Answer:
volume of cube= (side) ³
512. = (side)³
√512. = side
side. = 8 cm
1) Total surface area = 6* (8)²
= 6*64
= 384 cm
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