Question

the lateral surface area of cube is 256 CM square find its total surface area

Answer 1

Lateral surface area of cube =4a²

⇒256=4a²

⇒a²=256/4

⇒a²=64

⇒a=8

Total surface area = 6a²

⇒6×8×8=384 cm³

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Answer 2

Answer:

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