Question
In the figure, BC is perpendicular to EF. ∠DFG = ∠BFE. Given that ∠EFG is 3 times as large as ∠DFE, find ∠DFC.
2 m

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In the figure, BC is perpendicular to EF. ∠DFG = ∠BFE. Given that ∠EFG is 3 times as large as ∠DFE, find ∠DFC.