At a point on a horizontal line through the base of a monument, the angle of elevation of the top of the monument is found to be such that its tangent is 1/5. On walking 138 metres towards the monument the secant of the angle of elevation is found to be 193/12. The height of the monument (in meter) is

At a point on a horizontal line through the base of a monument, the an

1.	At a point on a horizontal line through the base of a monument, the angle of elevation of the top of the monument is found to be such that its tangent is 1/5. On walking 138 metres towards the monument the secant of the angle of elevation is found to be 193/12. The height of the monument (in meter) is
A.	35
B.	49
C.	42
D.	56
Answer» D. 56

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