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Calculate the frustum's volume.
Mathematics 0580 · IGCSE · Surface area and volume
Surface area and volume — practice question
The diagram depicts a frustum formed by cutting away a smaller cone from a larger cone. The height of the smaller cone is $7.5\text{ cm}$. The height of the frustum is $4.5\text{ cm}$. The radius of the larger cone is $4.2\text{ cm}$. The diagram is NOT TO SCALE.