Finding Volumes of Similar Solids
Finding Volumes of Similar Solids
Secondary 3
Two cylindrical drums are geometrically similar.
The height of the smaller drum is \(5\) cm.
The height of the larger drum is \(15\) cm.
- The diameter of the base of the larger drum is \(7\) cm.
Find the diameter of the smaller drum. - Find the ratio of the volume of the smaller drum to that of the larger.
Give your answer in the form \(1:n\).
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Answer:\(\text{(i)}\ \dfrac{7}{3}\text{ cm}=2\dfrac{1}{3}\text{ cm}\) \(\text{(ii)}\ 1:27\)
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