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Four posts A, B, C and D stand on a level horizontal ground. Post B is 240m on a bearing of #060^0# from A, Cis 210m to the south of B and D is 150m on a bearing of #140^0#from A.
(a) Using a scale of 1 cm to represent 30m,
show the relative positions of the posts.
(b) Use the scale drawing to:
(i) Find the distance and the bearing of C from D.
ii) Determine how far A is to the west of B.