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25 CM in the cylinder funel
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The answer of your question you should solve in two parts as follow.
Step-by-step explanation:
1) use the formulla of area of cylinder which is
(22÷7)(radius)^2(height.)+2(22/7)(radius)
2)then you apply the curve surface area formulla of cone
3)then add both area to find the curve suface area of figure.
4)this area of tin is required for the funnel
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