How to Circumscribe a Circle About a Triangle

StepExampleDescription
1Triangle ABCStart with triangle ΔABC.
2Triangle ABC with perpendicular bisector of side AB.Draw a perpendicular bisector of one of the sides. In this case, the perpendicular bisector of AB is drawn.
3Triangle ABC with perpendicular bisector of side BC.Draw a perpendicular bisector of another side. In this case, the perpendicular bisector of BC is drawn.
4Triangle ABC with intersection of the perpendicular bisectors labeled point D.Label the intersection of the perpendicular bisectors as point D.
5Triangle ABC with circumscribing circle drawn with center D and radius DA.Draw a circle with center D and radius DA.

Cite this article as:

McAdams, David E. How to Circumscribe a Circle About a Triangle. 3/17/2019. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/h/htcircumscribetriangle.html.

Image Credits

Revision History

3/17/2019: Removed broken manipulative. (McAdams, David E.)
7/16/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (McAdams, David E.)
7/3/2008: Initial version. (McAdams, David E.)

All Math Words Encyclopedia is a service of Life is a Story Problem LLC.
Copyright © 2018 Life is a Story Problem LLC. All rights reserved.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License