Question
The figure is not drawn to scale, BC, EF and GD are straight lines. ∠EDG = 20°. Given that ∠GDC is 79 as big as ∠CDF, find ∠BDF.
3 m

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The figure is not drawn to scale, BC, EF and GD are straight lines. ∠EDG = 20°. Given that ∠GDC is 79 as big as ∠CDF, find ∠BDF.