The diagram shows three points, $$\(A, B\)$$ and $$\(C\)$$, on a grid. (a) Write down the coordinates of (i) point $$\(A\)$$ (ii) point $$\(B\)$$ (2) $$\(D\)$$ is the point such that $$\(A B C D\)$$ is a rhombus. (b) On the grid, mark with a cross $$\((\times)\)$$ the point $$\(D\)$$ Label this point $$\(D\)$$ (1) (c) Find the coordinates of the midpoint of $$\(A B\)$$ (2)

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