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OpenStudy (anonymous):
If a smaller sphere has a diameter of 20 inches, a larger sphere has a diameter of 36 inches, find the ratio of the surface areas.
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OpenStudy (mathstudent55):
If two solids have a ratio of linear dimensions (edges, radii, etc.) of k, then: Ratio of linear dimensions: k Ratio of areas: k^2 Ratio of volumes: k^3
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