A playground surface is formed by a square, JKLMJKLMJKLM, and a semi-circle. Side JK JK\,JK of the square is the diameter of the semi-circle. The radius of the semi-circle is 3 m. The entire playground is to be covered in safety padding. Each pack of padding covers 12 m2.
How many packs of padding will be needed? You must show your working.
45 exam-style questions on AQA GCSE Maths Area and Circumference of Circles. Each one has a worked solution and a mark scheme showing where the marks go.