The diagram displays a coordinate grid with points $A$ and $B$ marked on it. The axes are named $x$ and $y$.
(a)[1]
State the coordinates of point $A$.
(b)[1]
Mark the point $(5, -2)$ on the grid and name it $C$.
(c)[1]
State the mathematical name of triangle $ABC$.
(d)[1]
Express $\overrightarrow{AB}$ as a column vector.
(e)[1]
State the coordinates of point $D$.
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