The surface area of a sphere is increased by 12%.
Find the percentage increase in the radius of the sphere.
Give your answer to 1 decimal place.
Practise AQA GCSE Maths Repeated Percentage Change with exam-style questions for Foundation and Higher tier. 56 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.