. A 13-ft ladder is leaning against a house when its base is 12 ft from the house, the base is moving at the rate of 5 fi sec. (a) How fast is the top of the ladder sliding down the wall then? (b) How fast is the area of the triangle formed 13- ladder by the ladder, wall and the ground changing then? (c) At what rate is the angle e between the ladder and the ground changing then?
. A 13-ft ladder is leaning against a house when its base is 12 ft from the house, the base is moving at the rate of 5 fi sec. (a) How fast is the top of the ladder sliding down the wall then? (b) How fast is the area of the triangle formed 13- ladder by the ladder, wall and the ground changing then? (c) At what rate is the angle e between the ladder and the ground changing then?
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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Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
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