4MA0 Higher January 2018 Paper 3 Q8
8 Use ruler and compasses only to construct the bisector of angle \(ABC\).
You must show all your construction lines.
(2)
| Scheme | Marks |
|---|---|
| arc centre \(B\) cutting \(BA\) and \(BC\) at (say) \(P\) and \(Q\) AND arcs centres \(P\) and \(Q\) of equal radii which intersect at \(R\) (\(R\) must fall within guidelines) | M1 |
| bisector drawn with all necessary arcs | A1 |
| (2) |
Notes
A1: dep
SC: B1 for bisector within guidelines with no arcs