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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.
GeoGebra
GeoGebra
New Resources
Example of using color palette
Constructing the Midpoint and the Perpendicular Bisector of a Segment
Equations of Tangents to Circles
Proving Triangles Congruent (2): Multi-Step Transformations
apec
Discover Resources
Tip to Tail Method
trig file
Glide Reflections
Fixed Point Iteration 1
การลบจำนวนเต็ม
im.g.1.17.2 B
Discover Topics
Coordinates
General Quadrilateral
Fractal Geometry
Secant Line or Secant
Indefinite Integral