A decorative metal piece is in the shape of a circle sector CDECDECDE, with centre D D\,D and radius 7.5 cm. The angle CDE CDE\,CDE is 40∘40^\circ40∘.
Find the perimeter of the metal piece. Give your answer correct to 3 significant figures.
Practise Edexcel GCSE Maths Sector Areas and Arc Lengths with exam-style questions for Foundation and Higher tier. 34 questions, matched to the Edexcel GCSE Maths (1MA1) 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.