Here is a scale drawing of a warehouse floor EFGHEFGHEFGH. The scale is 1 cm to 3 m.
A storage rack is to be placed on the floor. The rack must be closer to wall EF EF\,EF than wall FGFGFG. The rack must be less than 12 m from corner HHH.

Shade the region where the storage rack can be placed.
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.