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The figure above shows a metal triangula...


The figure above shows a metal triangular solid with two equilateral triangle faces and a thickness of 2 cm. The length of each side of a triangular face is 4 cm. A hole with a diameter of 1 cm is drilled through the solid. The density of the metal is 6 grams per cubic centimeter . What is the mass of this solid to the nearest gram ? (Density is mass divided by volume ).

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