2026 NCHS P1 Q20

2026 NCHS P1 Q20

Secondary 4
5 marks

The diagram shows a flower pot of height 12 cm. It is obtained when a smaller cone of height \(h\) cm and base radius 4 cm is removed from a larger cone with base radius 10 cm. Jack filled the pot to two-third of its height and commented that the pot is filled to two-third of its volume.

Do you agree with Jack? Support your answer with appropriate workings.[5]

Solution:

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Answer:Disagree: \(\dfrac{56}{117}\approx47.9\%\) of the volume.

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