Asked by Anonymous
A person walking towards a tower observes the angle of elevation of its top as 30° and on going 82 meters nearer finds it to be 60°. Find the height of the tower.
Answers
Answered by
oobleck
As always, draw a diagram, and review your basic trig functions.
If the height is h, then
h cot30° - h cot80° = 85
If the height is h, then
h cot30° - h cot80° = 85
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