2023 BMSS EOY P2 Q6

2023 BMSS EOY P2 Q6

5 marks

  1. The interior angle of a regular polygon is five times the exterior angle.

    Find the number of sides of the polygon.

    [2]

  2. In the hexagon \(ABCDEF\), angle \(DEF = 116^\circ\), angle \(EFA = 142^\circ\), angle \(FAB = 104^\circ\) and angle \(DCB = 90^\circ\).

    Calculate \(x\).

    [3]

Solution:

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Answer:(a) 12 sides; (b) \(x=40\).

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