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Volume of Combined Solids

A solid is ma...

Question

A solid is made up of a cone, cylinder and hemisphere, placed one on top of the other. The cylinder is placed on top of the hemisphere and the cone is placed on top of the cylinder. The radius of each of the three parts is 3.5 cm. The total height of the solid is 18.4 cm & and the height of just its cylindrical part is 6.5 cm. Find the slant height of the cone & volume of the entire solid to the nearest cm³.

A

9.1 cm, 424 cm³

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B

9.1 cm, 432 cm³

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C

9.1 cm, 448 cm³

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D

12.1 cm, 424 cm³

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E

12.1 cm, 432 cm³

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F

12.1 cm, 448 cm³

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Solution

The correct option is C
9.1 cm, 448 cm³

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