The diagram shows ABC with vertices A(-1, 1),
B(-1, -2) and c(3,-1)
(i) Find the lengths of AB, BC and AC.
(ii) Find the area of ABC.
The coordinates of a point E are (3, k) and the
area of ABCE is 14 units.
(iii) Find the possible values of k.
I need and of part 3
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Answer:
the possible values of k is 6 or -8
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