The lower edge of a mural, 12 feet high, is 6 feet above the observer's eyes. Under the assumption that the most favorable view is obtained when the angle subtended by the mural at the eye is a maximum, at what distance from the wall should the observer stand?

The lower edge of a mural, 12 feet high, is 6 feet above the observer's eyes. Under the assumption that the most favorable view is obtained when the angle subtended by the mural at the eye is a maximum, at what distance from the wall should the observer stand?

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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Question

8. The lower edge of a mural, 12 feet high, is 6 feet above the observer's eyes. Under the
assumption that the most favorable view is obtained when the angle subtended by the
mural at the eye is a maximum, at what distance from the wall should the observer stand?

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