a vertical tower of height 20m stands on a horizontal plane and is surmounted by a vertical flag
staff of height h. at a point on the plane the angle of elevation of the bottom and top of the bottom and top of the flag staff are 45° and 60° respectively. find the value
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vertical tower of height 20m stands on a horizontal plane and is surmounted by a vertical flag-staff of height h. At a point on the plane,the angle of elevation of the bottom and top of the flag staff are 45* and 60* respectively.
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