Diagram NOT accurately drawn The diagram shows a parallelogram $$\(A B C D\)$$ and an isosceles triangle $$\(D E F\)$$ in which $$\(D E=D F\)$$ $$\(C D F\)$$ and $$\(A D E\)$$ are straight lines. Angle $$\(B C D=58^{\circ}\)$$ Work out the size of angle $$\(D E F\)$$. Give a reason for each stage of your working. ○

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