A distribution center is to be built near two shipping docks, Dock R R\,R and Dock SSS. It must be no more than 20 miles from Dock R R\,R and no more than 12 miles from Dock SSS. 1 cm represents 4 miles. Shade the region on the diagram where the distribution center can be located.

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.