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- A bird is sitting in a 35 metre tall tree looking down at a worm on the ground. If the angle of depression from the bird to the ground is 55∘, how far is the bird from the worm?
- Standing on the balcony of an building A, the angle of elevation to the top of the building B across the street is 47∘, and the angle of depression to the bottom of the building B is 58∘. If the buildings are 42 metres apart, find the height of the building B across the street.
- If the volume of the cube below is 512 cm3, what is the length of AB?
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Other word problems relating angles in trigonometry