O-LevelMathematicsGeometry4024/12 · Oct/Nov 2019 · Q194 Marks
[Figure X.X]
- (a)C is the point above AB, where AC = 5 cm and BC = 7 cm. Using a pair of compasses and ruler only, construct triangle ABC.[2]
- (b)D is the point below AB, where BÂD = 28° and ABD = 96°. Using a protractor and ruler, draw triangle ABD.[2]
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Mark scheme
Marking points from the official mark scheme (Oct/Nov 2019). The mark or mark type is shown in brackets.
- [2] (a) Acceptable triangle ABC with intersecting arcs at C B1 for an acceptable C clearly indicated with no/incorrect arcs If 0 scored, SC1 for correct triangle ABC with arcs drawn below the line
- [2] (b) Acceptable triangle ABD B1 for one correct angle drawn If 0 scored, SC1 for correct triangle ABD drawn above the line
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