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OpenStudy (anonymous):
the ratio of the radii of two spheres is 6 : 5, what is the ratio of the surface areas of the two spheres?
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Directrix (directrix):
Theorem: If two solids are similar, the square of the scale factor of the two solids is equal to the ratio of any two corresponding area measurements of the solids.
Directrix (directrix):
All spheres are similar. So, according to the theorem, the ratio of the surface areas of the two spheres is the following: (6/5)^2 = (6/5) * (6/5) = ? @spaghettigoo123
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