beodyellis8 beodyellis8

03-05-2017
Mathematics

contestada

If the ratio of the radii of two spheres is 2:3, the ratio of their surface areas will be 8:27.

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mreijepatmat mreijepatmat

05-05-2017

The ratio of 2 similar areas is the square of the ratio of their RADIUS or (sides)
R²=(2/3)² = 4/9 This should be the answer

Whereas R³ = (2/3)³ = 8/27 is the ratio of their volume & not area

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