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16-06-2020
Mathematics

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determine the expression that represents the ratio of surface area of a cylinder to a sphere

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jasdul1375 jasdul1375

16-06-2020

Answer:

see below

Step-by-step explanation:

SA of a cylinder = 2πr² +2πrh

________________________ = 2πr²/4πr² + 2πrh/4πr² =1/2 +h/2r

SA of a sphere = 4πr²

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