9709 P12 - Nov 2011 - Q9
618
The diagram shows a quadrilateral ABCD in which the point A is (-1, -1), the point B is (3, 6) and the point C is (9, 4). The diagonals AC and BD intersect at M. Angle BMA = 90^ 0 and BM = MD. Calculate
- the coordinates of M and D,
- the ratio AM : MC.
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