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A hot air balloon is rising upward from the earth at a constant rate, as shown in the accompanying figure. An observer 254 meters

A hot air balloon is rising upward from the earth at a constant rate, as shown in the accompanying figure. An observer 254 meters away spots the balloon at an angle of elevation of 25. Two minutes later the angle of elevation of the balloon is 59. At what rate is the balloon ascending? $90 25 254 m

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