Maths
posted by Ahona
Say I'm at an unknown distance from a mountain, called point P, and I estimate the angle of elevation to the top of the mountain is 13.5 degrees. Then I move to point N, which is 100 meters closer to the mountain, and I estimate the angle of elevation to be 14.8 degrees. What is the height of the mountain?

Steve
review the basic trig functions. You will see that if the height is h,
h cot13.5°  h cot 14.8° = 100
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