Question

A vertical tower stands on a horizontal plane and is surmounted by a

vertical flag staff of height 5m. At a point on the plane, the angles of

elevation of the bottom and the top of the flag staff are 450

and 600

,

respectively. Find the height of the flag staff.​

Answer 1

Answer:

A vertical tower stands on a horizontal plane and is surmounted by a flagstaff of height 7 m. From a point on the plane, the angle of elevation of the bottom of the flag-staff is 30∘ and that of the top of the flag-staff is 45∘.