A cylindrical water tank has a height of 20 m and a radius of r r\,r m.
The volume of the tank is 1125π 1125\pi\,1125π m3^33.
Calculate the value of rrr.
Practise AQA GCSE Maths Cylinders with exam-style questions for Foundation and Higher tier. 98 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.