O-LevelMathematicsGeometry4024/12 · Oct/Nov 2014 · Q194 Marks
The diagram shows a figure made from four identical hexagons. It has both line and rotational symmetry. [Figure 19.1]
- (a)What is the order of the rotational symmetry?[1]
- (b)Each marked angle is 60°. Find the other angles in one of the hexagons.[3]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2014). The mark or mark type is shown in brackets.
- [1] (a) 4
- [1] (b) 90°
- [1] two 150° } correctly obtained
- [1] two 135° } correctly obtained
- [1] If [0] earned for the two 150s, award M1 for using 360° correctly in a quadrilateral, or for using 540° correctly in a pentagon, or for using 720° correctly in a hexagon, to find the 135. If [0] earned in (b), then B1 for (angle sum of a hexagon equals) 720° seen.
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