Here is a scale drawing of a garden. The scale is 1 cm to 4 m.

A fountain is going to be placed in the garden. The fountain must be closer to BC BC\,BC than CDCDCD. The fountain must be less than 20 m from AAA.
Shade the region where the fountain 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.