Asked by basit
from a certain spot, the top of a triangle had an angle of elevation of 40 degree. move 15meter in a straight line towards the flag pole.Now to the top has an angle of elevation of 60degree.Find the height of the flagpole and it's distance from the second point.
Answers
Answered by
Steve
If the distance on the ground is x, and the height of the pole is h,
h cot40° - h cot60° = 15
x/h = cot60°
h cot40° - h cot60° = 15
x/h = cot60°
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