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31 August, 20:37

The volumes of two similar solids are 1,728 m^3 and 343 m^3. The surface area of the larger solid is 576 m^2. What is the surface area of the smaller solid? a. 196 m^2 b. 76m^2 c. 1,372m^2 d. 392 m^2

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  1. 31 August, 20:39
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    Scale factor = (1728/343) ^ (1/3) = 12/7 Let the surface area of the smaller solid be A, then: A * (12/7) ^2 = 576 So A = 196
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