The diagram shows an accurate drawing of triangle ABC.

- (a)
By constructing appropriate lines on the diagram, mark the point P on AB such that P is equidistant from AC and BC.
- (b)
Write down the bearing of P from A.
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Worked solution
15(a)
1. Construct the angle bisector of the angle formed by $AC$ and $BC$.
Using compasses and ruler, construct the angle bisector of . This is the locus of points equidistant from the two lines and .
2. Mark the required point on $AB$.
Let the constructed angle bisector of meet at . Mark this intersection point as .
is the point where the angle bisector of meets .
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