A solid cylinder has a radius of r r\,r m and a height of 12 m.
The volume of the cylinder is 507π 507\pi\,507π m3^33.
Find the value of rrr.

Practise OCR GCSE Maths Cylinders with exam-style questions for Foundation and Higher tier. 98 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.