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    Area of region traced by spheres

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    A sphere of radius 1 is covered in ink and rolled around between concentric spheres of radii 3 and 5. If this process traces a region of area 1 on the larger sphere, what is the area of the region traced on the smaller sphere?

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    https://brainmass.com/math/circles/area-region-traced-spheres-89108

    Solution Preview

    The figure drawn on the smaller sphere is just a scaled down ...

    Solution Summary

    Area of region traced by smaller sphere rolling on another sphere is determined in the solution.

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