Maryam makes two geometrically similar cakes. The heights of the cakes are 6 cm and 9 cm. [Diagram showing two rectangular cakes, one taller than the other]

1. (a)Maryam decorates each cake with a ribbon around the outside. The length of the ribbon for the larger cake is 66 cm. Find the length of the ribbon for the smaller cake.[1]
2. (b)Maryam uses 1600 m³ of cake mixture to make the smaller cake. Find the volume of cake mixture she uses to make the larger cake.[2]

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