Question
In the figure, CDEF is a rectangle and DFG is an isosceles triangle. Given that DF = DG, ∠DGF = 57° and ∠CFG = 255°, find ∠ FDE.
3 m

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In the figure, CDEF is a rectangle and DFG is an isosceles triangle. Given that DF = DG, ∠DGF = 57° and ∠CFG = 255°, find ∠ FDE.