LLL, M M\,M and N N\,N are three landmarks in a park. 1 cm represents 5 metres5\text{ metres}5 metres.
LLL ×\times×
×M\times M×M
×N \times N\,×N
A treasure T T\,T is hidden 20 metres20\text{ metres}20 metres from landmark LLL. The treasure T T\,T is equidistant from landmark M M\,M and landmark NNN.

On the map of the park, show the possible positions of the treasure TTT.
134 exam-style questions on Eduqas GCSE Maths Loci and Construction. Each one has a worked solution and a mark scheme showing where the marks go.