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Two ships are sailing on two sides of a lighthouse of ht 144m. Angle of elevation of top of lighthouse is 60° and 30°...

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Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 60° and 30° respectively. If the lighthouse is 144 m high, what is the distance between the two ships?

posted Aug 9, 2017 by anonymous

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1 Answer

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332 m


d=d1+d2
d1=144/tan 60=144/sqrt 3=83m approx
d2=144/tan 30=144* sgrt 3= 249 m approx
d=83+249=332 m approx

answer Jul 9, 2018 by Hanifa Mammadov



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