My blog has reached the 200 visitor threshold. I first reached 100 visitors on January 15, a little over one month after I started this blog. The next hundred in a little less.
Thanks to those who have visited and have left comments!
X(5) in Kimberling's Encyclopedia of Triangle Centers, is the center of the nine-point circle, which is the unique circle passing through the midpoints of the sides of the triangle. The radius of the nine-point circle is one-half the circumradius.
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