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 Form 4 Mathematics Paper 1 Exam Revision Questions With Answers

The diagram shows a cylindrical tank surmounted with a hemispherical dome. The cylindrical part has the same diameter as the hemispherical part. The cylindrical part is 1.5 m high and has a diameter of 2.8 m.
a) Calculate to 2 decimal places
i. the area of the hemispherical part.
ii. the curved surface area of the cylindrical part
iii. the total surface area of the tank
b) Find the cost of painting the tank at the rate of sh 150 per square metre.
c) Calculate the capacity of the tank in litres.

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