A flower bed is formed by a square, PQRSPQRSPQRS, and a semi-circle. Side PQ PQ\,PQ of the square is the diameter of the semi-circle. The radius of the semi-circle is 6 m. The flower bed is going to be covered completely with mulch. A bag of mulch covers 45 m2.
How many bags of mulch will be needed? You must show your working.
Practise OCR GCSE Maths Area and Circumference of Circles with exam-style questions for Foundation and Higher tier. 47 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.