A 15 foot ladder is leaning against a wall when its bottom starts to slide away. By the time the bottom is 9 feet from the base of the wall, the base of the ladder is moving at a rate of 0.2 ft/sec. How fast is the angle formed by the bottom of the ladder and the ground changing at that time?

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
Problem 42E: A goat is tethered to a barn by a 12-ft chain. If the chain is connected to the barn at a point 6 ft...
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A 15 foot ladder is leaning against a wall when its bottom starts to slide away. By the time the bottom is 9
feet from the base of the wall, the base of the ladder is moving at a rate of 0.2 ft/sec. How fast is the angle
formed by the bottom of the ladder and the ground changing at that time?
Transcribed Image Text:A 15 foot ladder is leaning against a wall when its bottom starts to slide away. By the time the bottom is 9 feet from the base of the wall, the base of the ladder is moving at a rate of 0.2 ft/sec. How fast is the angle formed by the bottom of the ladder and the ground changing at that time?
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