Asked by ashwini
Q vertical pole and a tower are on the same level Ground.from the top of the pole angle of elevation of the top of the tower is 60 degree and the angle of depression od foot of the tower is 30 degree.find the height of the tower if the height of the pole is 20 meter
Answers
Answered by
Steve
as usual, draw a diagram. The tower's height is
20 + 20 cot30° * tan60°
= 20(1+tan^2 60°)
= 20 sec^2 60°
= 20 * 4
= 80
20 + 20 cot30° * tan60°
= 20(1+tan^2 60°)
= 20 sec^2 60°
= 20 * 4
= 80
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