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The Nine-Point Center
Author:
Steve Phelps
The Nine-Point center is the center of the circumcircle of the medial triangle. Play through the construction and try your hand in the app below.
New Resources
Lesson 1
Fracciones equivalentes.
"Solving" for x
Sine Graph from the Unit Circle
Incenter
Discover Resources
Properties and Equation of Ellipse
tan cir
Derivative Applet
割圓術 Liu Hui's π algorithm (Simplified)
Ex 2
Discover Topics
Angles
Fractions
Pie Chart or Circle Chart
Circle
Upper and Lower Sum or Riemann Sum
