Question

Help please!! all three!

Answer 1

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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