GoGeometry Action 60!

Topic:Centroid or Barycenter, Equilateral Triangles

Creation of this applet was inspired by a post from Antonio Gutierrez (GoGeometry). How can we formally prove what this applet informally illustrates?

Feel free to move the vertices (corners) of this triangle anywhere you'd like!

New Resources

Flip 9 Coins
探究長方形對角線上的正方形數目
Flip 5 Coins.
Untitled
Flip A Bunch of Coins

Discover Resources

Regular Polygons
Delaunay21C
stress
pirate
Angle properties of a quadrilateral inscribed in a circle APS
מעויין

Discover Topics

Dilation
Parabola
Subtraction
Ellipse
Area