1.

The total surface area of a cube is 864 cm2 . Its volume is : (A) 3456 cm3 (B) 432 cm3 (C) 1728 cm3 (D) 3466 cm3

Answer»

(C) 1728 cm3

6 a2 = 864

a2 = 144

a = 12

Volume = a3 = 1728



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