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प्रश्न
The volume of a cube is 1000 cm3. Find its total surface area.
योग
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उत्तर
Let a be the side length of the cube.
Volume of the cube = 1000 cm3
a3 = 1000 = 103
a = 10 cm
∴ Total surface area of the cube = 6a2
= 6 × 10 × 10
= 600 cm2
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