A frustum is made by removing a small cone from a large cone. The cones are mathematically similar. The large cone has base radius $$\(r \mathrm{~cm}\)$$ and height $$\(h \mathrm{~cm}\)$$. Given that find an expression, in terms of $$\(h\)$$, for the height of the frustum. $$\(\mathrm{cm}\)$$

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