A-LevelMathematicsDifferentiationFeb/Mar 2017Paper 1 Q35 Marks
The diagram shows a water container in the form of an inverted pyramid, which is such that when the height of the water level is h cm the surface of the water is a square of side ½h cm. [Figure 3.1] [The volume of a pyramid having a base area A and vertical height h is Ah.]
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