Question: 65. Angle of Elevation You are skiing down a mountain with a vertical height of 1250 feet. The distance from the top of the

65. Angle of Elevation You are skiing down a mountain with a vertical height of 1250 feet. The distance from the top of the mountain to the base is 2500 feet. What is the angle of elevation from the base to the top of the mountain? 64 66. Biology A biologist wants to know the width w of a river to properly set instruments for an experiment. From point A, the biologist walks downstream 100 feet and sights to point C (see figure). From this sighting, it is determined that 0 = 54. How wide is the river? 1100 ft- 0=54 67. Guy Wire A guy wire runs from the ground to a cell tower. The wire is attached to the cell tower 150 feet above the ground. The angle formed between the wire and the ground is 43 (see figure). 0=43 150 ft (a) How long is the guy wire? (b) How far from the base of the tower is the anchored to the ground? guy wire

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