Volume and Melting Application of a Composite Solid
Volume and Melting Application of a Composite Solid
Secondary 2
A metal structure formed by a cone of radius \(15\) cm and height \(34\) cm and a cylindrical base of the same radius and height \(h\) cm is shown below.
- Given that the volume of the structure is \(15080\) cm\(^{3}\), find the height, \(h\) cm of the cylindrical base.
- The solid is melted and recast into \(30\) identical hemispherical shapes. Find the radius of each hemisphere.
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Answer:(a) \(10.0\text{ cm}\) (b) \(6.21\text{ cm}\)
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