Nine-point circle, a circle that can be constructed for any given triangle
West Point | Arctic Circle | West Point, New York | New Circle Road | High Point, North Carolina | Outer Critics Circle Award | Stevens Point | Point Break | National Book Critics Circle Award | High Point | Circle K | Circle Jerks | Circle | Cedar Point | The Circle | Point Pleasant | Full Circle | Dana Point, California | Bayview-Hunters Point, San Francisco | Wheeler's Point, Minnesota | Wheeler's Point | The Tipping Point | Point Reyes | Point of sale | point | Logan Circle | Le Point | Golden Circle | Family Circle Cup | Estevan Point |
Olry Terquem (1782–1862), French mathematician who proved Feuerbach's theorem about the nine-point circle of a triangle