Here is a scale drawing of an office floor. The scale is 1 cm to 2.5 m.

A desk is going to be placed in the office. The desk must be closer to AB AB\,AB than ADADAD. The desk must be less than 10 m from CCC.
Shade the region where the desk can be placed.
Practise AQA GCSE Maths Loci and Construction with exam-style questions for Foundation and Higher tier. 100 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.