FFF, G G\,G and H H\,H are three towns on a regional planning map. 1 cm represents 5 kilometres.
F×F \timesF×
×G\times G×G
×H \times H\,×H
A new airport X X\,X is to be built 25 kilometres from town FFF. The airport X X\,X must be equidistant from town G G\,G and town HHH.
On the map, show the possible positions of the airport XXX.

Practise AQA GCSE Maths Loci and Construction with exam-style questions for Foundation and Higher tier. 139 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.