O-LevelMathematicsGeometry4024/22 · Oct/Nov 2025 · Q93 Marks
The diagram shows a regular pentagon and a regular hexagon joined along one edge. Find the value of x. [Figure 9]
- The diagram shows a regular pentagon and a regular hexagon joined along one edge. Find the value of x.[3]
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Mark scheme
Marking points from the official mark scheme (Oct/Nov 2025). The mark or mark type is shown in brackets.
- [3] 132. M2 for [x = ] 360/5 + 360/6 or better or for [x = ] 360 - ((5-2)x180)/5 - ((6-2)x180)/6 or better or M1 for [exterior angle=] 360/5 or 360/6 oe or [interior angle = ] (5-2)x180/5 or (6-2)x180/6 oe
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