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प्रश्न
The total surface area of a cube is 864 cm2. Its volume is
विकल्प
3456 cm3
432 cm3
1728 cm3
3456 cm3
MCQ
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उत्तर
1728 cm3
Let the edge of the cube be a.
Total surface area of the cube = 6a2
6a2 =864
a2 = 144
a = 12 cm
Therefore, Volume of the cube = a3
= (12 × 12 × 12) cm3
= 1728 cm3
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