Question 6

A pole, 8 m tall, is held in a vertical position by two steel cables of equal length. In the
sketch, PQ is the pole and PS and PR are the steel cables. The angle of elevation of the top
of the pole from the anchor points R and S is 60o in both cases.

6.1 Determine the length of cable PS. Leave your answer in simplified surd form. (3)

6.2 Determine the distance between R and S, if RQS=100o. Give your answer correct to
TWO decimal digits. (7)

[10]

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