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  • 22-11-2017
  • Mathematics
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The height of an inaccessible cliff needs to be calculated. from a boat, which is 150m out from the bottom of the cliff, the angle of elevation to the top of the cliff is 54. find the height of the cliff

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heralindemanoxl5mu
heralindemanoxl5mu heralindemanoxl5mu
  • 22-11-2017
use tangent
tan=opposite/adjacent
tan(54)=x/150
multiply by 150
150×tan(54)=x
206.5=x (approximately)
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