1.

. on a horizontel plane there is a verHeal dewerwith a flesgs tetf on the top of the tower. At apoint 3m awayfom the foot of the dower, theangte of elevatton of the top and the hottom ofthe flaapole are 6o 30° Yes pectively . find the heightof the Udower and the flegrele mounted on it、and the Fley pele mourn

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