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The Burj Arab Dubia is the worlds 4th largest hotel stands on an artificial island which is 268 metres from the beach.Atourist standing on the beach who is 1.65 meters tall found using a clinometer that the angle of elevation to the top of the tower is 50 degrees . calculate the height of the hotel to the nearest metre?

 Jun 8, 2014

Best Answer 

 #1
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tan50 = (x-1.65) / 268     where x is the height

268 tan 50 = x - 1.65

1.65 + 268tan 50 ≈ 321.04 m   = 321 m

 Jun 8, 2014
 #1
avatar+130511 
+3
Best Answer

tan50 = (x-1.65) / 268     where x is the height

268 tan 50 = x - 1.65

1.65 + 268tan 50 ≈ 321.04 m   = 321 m

CPhill Jun 8, 2014

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