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9. A cube has numerically equal volume and surface area.volume of such a cube is(a) 216 units(c) 2000 units(b) 1000 units(d) 3000 units

Answer»

VOLUME of cube = l³ and surface area is 6l²

now ATQ , L³ = 6l²=> l = 6 units

so, volume will be 6*6*6 = 216units



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