Angle of Elevation and Depression

Pronunciation: /'æŋ.gəl ʌv ˌɛləˈveɪ.ʃən ənd dəˈpɹɛ.ʃən/ Explain

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Manipulative 1 - Angle of Elevation Created with GeoGebra.

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Why can't the object move above the observer?
Manipulative 2 - Angle of Depression Created with GeoGebra.


Manipulative 2 - Angle of depression. Created with GeoGebra.

An angle of elevation is the angle above horizontal that an observer must look to see something above the horizon.[1] An angle of depression is the angle below horizontal that an observer must look to see something below the horizon.

References

  1. McAdams, David E.. All Math Words Dictionary, angle of elevation. 2nd Classroom edition 20150108-4799968. pg 16. Life is a Story Problem LLC. January 8, 2015. Buy the book
  2. angle of elevation. merriam-webster.com. Encyclopedia Britannica. Merriam-Webster. Last Accessed 6/12/2018. https://www.merriam-webster.com/dictionary/angle%20of%20elevation. Buy the book
  3. depression. merriam-webster.com. Encyclopedia Britannica. Merriam-Webster. Last Accessed 6/12/2018. https://www.merriam-webster.com/dictionary/depression. Buy the book
  4. Hedrick, E.R.. Constructive Geometry. pg 52. www.archive.org. The Macmillan Company. 1916. Last Accessed 6/12/2018. http://www.archive.org/stream/constructivegeom00hedriala#page/52/mode/1up. Buy the book

More Information

Cite this article as:

McAdams, David E. Angle of Elevation and Depression. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/a/angleofelevation.html.

Image Credits

Revision History

12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
6/14/2018: Removed broken links, changed Geogebra links to work with Geogebra 5, updated license, implemented new markup. (McAdams, David E.)
5/5/2011: Initial version. (McAdams, David E.)

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