The upper \[\frac{3}{4}\]th portion of a vertical pole subtends an angle \[{{\tan }^{-1}}\frac{3}{5}\] at a point in the horizontal plane through its foot and at a distance 40 m from the foot. A possible height of the vertical pole is

The upper \[\frac{3}{4}\]th portion of a vertical pole subtends an ang

1.	The upper \[\frac{3}{4}\]th portion of a vertical pole subtends an angle \[{{\tan }^{-1}}\frac{3}{5}\] at a point in the horizontal plane through its foot and at a distance 40 m from the foot. A possible height of the vertical pole is
A.	80 m
B.	20 m
C.	40 m
D.	60 m
Answer» D. 60 m

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The upper \[\frac{3}{4}\]th portion of a vertical pole subtends an angle \[{{\tan }^{-1}}\frac{3}{5}\] at a point in the horizontal plane through its foot and at a distance 40 m from the foot. A possible height of the vertical pole is

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