Categories > trigonometry > Height and Distance > A vertical pole consists of two parts, the lower part being one third of the whole. At a point in the horizontal plane through the base of the pole and distance 20 meters from it, the upper part of the pole subtends an angle whose tangent is $\frac{1}{2}$. The possible heights of the pole are

trigonometry

Question: A vertical pole consists of two parts, the lower part being one third of the whole. At a point in the horizontal plane through the base of the pole and distance 20 meters from it, the upper part of the pole subtends an angle whose tangent is $\frac{1}{2}$. The possible heights of the pole are


1) 20 m and $20\sqrt{3}\,m$
2) 20 m and 60 m
3) 16 m and 48 m
4) None of these
Solution: Explanation: No Explanation
Height and Distance

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