9. A 25-ft ladder leans against a building so that the angle between the ground and the ladder is 70. How high does the ladder reach up the side of the building? 23.49 ft. 10. A 50-ft ladder leans against a building so that the base of the ladder is 15 feet from the building. What angle does the ladder make with the building? 17.46 11. The angle of elevation to the top of a building in New York is found to be 5 degrees from the ground at a distance of 2 miles from the base of the building. Using this information, find the height of the building. 905.4 miles 12. The angle of elevation to the top of a building in Seattle is found to be @ degrees from the ground at a distance of 3 miles from the base of the building. The height of this building is 820 feet. What is the angle of elevation? 89.79 degrees 13. A radio tower is located 600 feet from a building. From a window in the building, a person determines that the angle of depression to the bottom of the tower is 40 and that the angle of elevation to the top of the tower is 19. How tall is the tower