9709 P12 - Nov 2014 - Q9
613
The diagram shows a trapezium ABCD in which AB is parallel to DC and angle BAD is 90°. The coordinates of A, B, and C are (2, 6), (5, -3), and (8, 3) respectively.
- Find the equation of AD.
- Find, by calculation, the coordinates of D.
The point E is such that ABCE is a parallelogram.
- Find the length of BE.
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