O-LevelMathematicsGeometry4024/11 · Oct/Nov 2012 · Q265 Marks

The diagram at the bottom of the page shows the lines AB and BC. [Figure X.X]

(a)By measuring an angle, find reflex angle ABC.[1]
(b)The point D is on the opposite side of AC to B. CD = CB and AD = 10 cm. On the diagram, construct quadrilateral ABCD.[1]
(c)(i)On the diagram, construct the locus of points, inside the quadrilateral ABCD, that are equidistant from A and B,[1]
(c)(ii)equidistant from BC and BA.[1]
(d)On the diagram, shade the region inside the quadrilateral ABCD containing the points that are nearer to A than to B and nearer to BC than to BA.[1]

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Topic: Geometry, O-Level Mathematics (syllabus 4024). Structured question, 5 marks.
Source: O-Level Mathematics, Oct/Nov 2012 Paper 1 Variant 1, question 26.

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