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 Form 4 Mathematics Paper 1 Exam Revision Questions With Answers

The diagram represents a solid hemispherical dome of diameter 42cm. The dome is painted on all faces at a cost of sh 500 per square metre and has a mass of 48.5kg.
a) The total surface area of the dome.
b) The cost of painting the dome.
c) The volume of the material making the dome.
d) The density of the material in kg/m3.

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