Question

find the volume of a cube whose total surface area is 384cm2

Answer 1

Total surface area of cube = 6a².

384cm² = 6a².

a²= 384cm²/6.

a²= 64cm².

a = √(64cm²).

a = 8cm.

Volume of cube = a³.

= (8cm)³.

= 512cm³.

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Answer 2

Answer:

Step-by-step explanation:

TSA = 384

6a×a = 384

a×a= 384/6

a×a= 64

a= 8

Volume = a×a×a

= 8×8×8

= 512