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dy needs to bake a 20cm diameter cake how big should the surface of the tray be at least to fit the cake

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dy needs to bake a 20cm diameter cake. How big should the surface of the tray be at least to fit the cake?

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Answer to a math question dy needs to bake a 20cm diameter cake. How big should the surface of the tray be at least to fit the cake?

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La superficie mínima requerida es el área del círculo inferior del pastel. Área = \pi\left(\frac{d}{2}\right)^2=\pi\times10^2=314.15cm^2

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