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25-05-2021
Mathematics

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help please!! all three!

help please all three class=

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hope5849 hope5849

25-05-2021

Step-by-step explanation:

volume of hemisphere (V1)

2/3πr³
2/3×22/7×9×9
169.71cm ³

volume of cylinder (V2)

πr²h
22/7×9×9×13
3309.42

volume of composite figure =V1+V2

169.71+3309.42
3479.13

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