A solid S is made up of a cylindrical part and a conical part. The height of the solid is 4.5 m. The common radius of the cylindrical part and the conical part is 0.9 m. The height of the conical part is 1.5 m. (a). Calculate the volume. correct to 1 decimal place, of solid S.(4 marks) (b). Calculate the total surface area of solid S. (4 marks) A square base pillar of side 1.6 m has the same volume as solid S. Determine the height of the pillar, correct to 1 decimal place.

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A solid S is made up of a cylindrical part and a conical part. The height of the solid is 4.5 m.

The common radius of the cylindrical part and the conical part is 0.9 m. The height of the conical part is 1.5 m.

(a). Calculate the volume. correct to 1 decimal place, of solid S.

(b). Calculate the total surface area of solid S.

A square base pillar of side 1.6 m has the same volume as solid S. Determine the height of the pillar, correct to 1 decimal place.

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