1. The thread of a kite makes 60° angle with the horizontal plane. If the length of the thread be 80 m, then the vertical height of the kite will be
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By: anil on 05 May 2019 01.49 am
Given : AC is the thread of the kite = 80 m To find : AB = $$h$$ = ? Solution : In $$ riangle$$ ABC, => $$sin(60^circ)=frac{AB}{AC}$$ => $$frac{sqrt{3}}{2}=frac{h}{80}$$ => $$h=80 imes frac{sqrt{3}}{2}$$ => $$h=40sqrt{3}$$ m => Ans - (D)
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