The diameter of a rubber ball is one-third of diameter of a plastic ball. Find the ratio of their surface areas.
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HII! MATE!
Step-by-step explanation:
Diameter of a sphere: d = 2 * r , Surface area of a sphere: A = 4 * π * r² , Volume of a sphere: V = 4/3 * π * r³ , Surface to volume ratio of a sphere: A / V = 3 / r .
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