Distance between the Centers of the Nine-Point and Apollonius Circles

For a triangle , let and be the circumradius and inradius, be the semiperimeter, be the nine-point circle and be the Apollonius circle.
Then , ,
You can drag the points , and .


  • [Snapshot]
  • [Snapshot]
  • [Snapshot]
    • Share:

Embed Interactive Demonstration New!

Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site. More details »

Files require Wolfram CDF Player or Mathematica.