A solid metal rod in the shape of a cylinder has a radius of 4 mm and a height of h h\,h mm.
The total surface area of the rod is 90π 90\pi\,90π mm2^22.
Find the value of hhh.
Cylinders Questions
Practise Eduqas GCSE Maths Cylinders with exam-style questions for Foundation and Higher tier. 98 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 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.