graceayor2022 graceayor2022
  • 25-02-2024
  • Mathematics
contestada

From the top of a tower 80 m high, a student observes that the angle of depression of the top of a vertical pole A is 45° and the angle of depression of a point B on the pole is 60°. If O is the foot of the pole and OB= 20 m. Find the distance between A and B. Leave your answer in surd form.

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