18.22
1. A kite flying at a height of 60 metres from the level ground is attached to a string inclined at 60°
the horizontal. Find the length of the string to the nearest metre.
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Step-by-step explanation:
sin60°=sqrt3/2
opposite side=60
hypotenuse=60×2/sqrt3
=120/sqrt3
=69.29 (approx)
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