Diagram NOT accurately drawn $$\(A, B, C, D\)$$ and $$\(E\)$$ are points on a circle. Angle $$\(E A C=40^{\circ}\)$$ (a) (i) Write down the size of angle $$\(E B C\)$$. (1) (ii) Give a reason for your answer. (1) (b) Find the size of angle $$\(E D C\)$$. 。 (1)

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