COD COD\,COD is a sector of a circle, centre O O\,O and radius 20 cm. The angle of the sector is 135∘135^\circ135∘.

Calculate the length of the arc CDCDCD. Give your answer in terms of π\piπ.
Practise AQA GCSE Maths Sector Areas and Arc Lengths with exam-style questions for Foundation and Higher tier. 34 questions, matched to the AQA GCSE Maths (8300) 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.