The container shown in the diagram is in the shape of a closed cylinder with a
hemisphere at on...
Mathematics, 31.03.2020 13:09 Tess3492
The container shown in the diagram is in the shape of a closed cylinder with a
hemisphere at one end. Its volume is 360 cm'. The base radius of the cylinder is rc
and its height is h cm.
(i) Express h in terms of r.
(ii) Show that the external surface area, A cm², of the
container is given by A = tr?+ 720 7.
(iii) Find the minimum value of A, leaving your answer
in terms of it.
Answers: 2
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