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A lighthouse is 105 m above sea level. A boat observes that the angle of elevation of the light is 3º. How far is the boat from the point directly below the lighthouse to the nearest ten metres?
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Jul 15, 2022
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A lighthouse is 105 m above sea level. A boat observes
that the angle of elevation of the light is 3º. How far is
the boat from the point directly below the lighthouse to
the nearest ten metres?
Mathematics
high-school
Vvolkov
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It helps to draw a picture.
Krishan Kumar Mourya
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Jul 21, 2022
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Krishan Kumar Mourya
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