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Question id: 101. This question is similar to one that appeared in an IB Studies paper in 2014. The use of a calculator is allowed.
ABC is a triangular car park on horizontal ground. The length of AB is 90m and the length of AC is 65m. The size of angle BCA is 68o.
(a) Find the size of angle ABC.
(b) Find the area of the triangular car park.
M is the midpoint of AC.
(c) Find the length of BM.
A vertical flag pole, FB, is erected in one corner of the car park with its base at B.
The angle of elevation of F from M is 55.3o. H is the midpoint of the flag pole.
(d) Calculate the angle of elevation of H from M.
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