2024 BTYSS P2 Q3

2024 BTYSS P2 Q3

Secondary 4
4 marks
  1. In the figure, \(AB\), \(CD\) and \(EF\) are parallel, while \(BC\) and \(ED\) are parallel.
    Find the Reflex Angle \(DEF\).[2]
  2. Two interior angles of an octagon are \((2x-10)^\circ\) and \((3x+15)^\circ\).
    The rest of the interior angles are equal to \(135^\circ\) each.
    Find the value of \(x\).[2]

Solution:

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Answer:(a) \(298^\circ\) (b) \(x=53\)

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