A square postage stamp has an area of 49 mm2.
Work out the perimeter of the postage stamp.
Practise OCR GCSE Maths Area and Perimeter with exam-style questions for Foundation and Higher tier. 48 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.