Geometry: Reflex and Interior Angles with Parallel Lines

Geometry: Reflex and Interior Angles with Parallel Lines

Secondary 1

In the figure, \(ABC//DE//FG\) and \(BD//EF\). \(\angle ABD=30{}^\circ \), and \(EF=EG\).

  1. Find the reflex \(\angle BDE\).
  2. Find \(\angle FEG\).

State all geometrical reasons.

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Answer:(a) reflex \(\angle BDE=330{}^\circ \) (b) \(\angle FEG=120{}^\circ \)

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