Neco Model Questions Vol1 2020 Mathematics Question 2
Practice objective / multiple choice question 2 from the 2020 Neco Model Questions Vol1 Mathematics examination.
A closed right circular cylinder of radius \(r\) cm has a hemispherical dome of the same radius attached on its top. The total external surface area (including the curved surface of the cylinder, the base of the cylinder and the dome) is \(600\pi\) cm² and the total volume (cylinder plus dome) is \(400\pi\) cm³. Find the radius \(r\) of the solid, giving your answer correct to two decimal places.
Answer Options
About This Question
This is Neco Model Questions Vol1 2020 Mathematics Question 2. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.