Two geometrically similar solids have volumes $216\text{ cm}^3$ and $729\text{ cm}^3$. The small

Question

Two geometrically similar solids have volumes $216\text{ cm}^3$ and $729\text{ cm}^3$. The smaller has total surface area $216\text{ cm}^2$. Find the total surface area of the larger solid.[4]

Accepted Answer

$486\text{ cm}^2$.

Surface area from a volume ratio

Surface area from a volume ratio

Solution:

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