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AMO 2021 - Secondary 4 (Grade 10) Question 24

AMO · AMO 2021 - Secondary 4 (Grade 10)

Question 24

A right cylinder of height 10 cm and radius 5 cm is cut horizontally into four cylinders of equal height and the same radius. Let $A$ be the sum of the total surface areas of the four pieces and $B$ the total surface area of the original cylinder. Find $A/B$.

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