A surveyor's map shows two straight boundary fences, BA BA\,BA and BCBCBC, meeting at a corner BBB.
Use ruler and compasses to construct the bisector of angle ABCABCABC. You must show all your construction lines.
166 exam-style questions on CCEA GCSE Maths Loci and Construction. Each one has a worked solution and a mark scheme showing where the marks go.