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Volume and Surface Area
Three toys are in a shape of cylinder, hemisphere and cone. The three toys have same base. Height of each toy is 2√2 cm. What is the ratio of the total surface areas of cylinder, hemisphere and cone respectively?
4 : 3 : [(√2) + 1]
4 : 3 : [2 + (√2)]
4 : 3 : 2√2
2 : 1 : (1 + √2)
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Correct Answer:
4 : 3 : [(√2) + 1]
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