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Posted by on Sunday, August 15, 2010 at 7:45pm.

Four identical metal spheres, each with radius 6 cm, are melted and reshaped into one big sphere. Fine the radius of the new sphere.

  • Geometry - , Sunday, August 15, 2010 at 7:49pm

    Find out the volume of each sphere.

    V = (4/3)(pi)(r^3)

    Multiply by 4.

    Use the same formula to find the radius of the new sphere.

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