A square picture frame EFGH EFGH\,EFGH has a diagonal length of 5 m.
Calculate the perimeter of the picture frame. Give your answer correct to one decimal place.
Practise Eduqas GCSE Maths Pythagoras with exam-style questions for Foundation and Higher tier. 55 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.