10. A ladder 20 feet long leans against a building. If the bottom of the ladder slides away from the building horizontally at a rate of 2 ft./ sec. How fast is the ladder sliding down the house when the top of the ladder is 8 feet from the ground. A. -2.5825 m/s C. -7.5825 m/s B. -6.5825 m/s D. -4.5825 m/s

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