Neco Model Questions Vol1 2018 Mathematics Question 50
Practice objective / multiple choice question 50 from the 2018 Neco Model Questions Vol1 Mathematics examination.
A solid consists of a right circular cylinder of radius \(r\) cm and height \(h\) cm surmounted by a hemisphere of the same radius. The total surface area (including the base of the cylinder) is \(217\pi\) cm\(^2\) and the total volume is \(\frac{1421}{3}\pi\) cm\(^3\). Find the radius \(r\) of the solid (in centimetres).
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This is Neco Model Questions Vol1 2018 Mathematics Question 50. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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