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QUESTION 3
3.1
In the diagram below, B is the foot of a multi-storey building. Three people D, E and C, are
standing at the windows on three different floors. They are all looking at object A on the
ground, which is in the same horizontal plane as B.
AC = 9 units, BC = 5 units and A₁ = A₂ = A3
Calculate, correct to two decimal places the:
3.3.1
Size of CÂB
C
E
D
B
Ground level
(2)
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