Showing posts with label nine-point center. Show all posts
Showing posts with label nine-point center. Show all posts

Friday, July 26, 2013

Problem 905: Lester Circle Theorem, Triangle, Circumcenter, Nine-Point Center, First and Second Fermat Point

Geometry Problem 905. Post your solution in the comments box below
Click the figure below to open the illustration and download the graphic.

Lester Circle Theorem, Triangle, Circumcenter, Nine-Point Center, First and Second Fermat Point. Levels: School, College, Mathematics Education.

Wednesday, October 13, 2010

Nine-Point Center, Nine-Point Circle, Euler Line

Interactive Illustration
Click the figure to see the interactive illustration

Nine-Point Center, Nine-Point Circle, Euler Line.