Two people decide to estimate the height of a flagpole. One person positions himself due north of the pole and the other person stands due east of the pole. If the two people are the same distance from the pole and a = 28 feet from each other, find the height of the pole if the angle of elevation from the ground to the top of the pole at each person's position is 52º. (See the figure below. Round your answer to the nearest whole number.) ft S E

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