GoGeometry Action 111!

Topic:Area, Centroid or Barycenter, Dilation, Quadrilaterals

Creation of this applet was inspired by a tweet from Antonio Gutierrez (GoGeometry). Note: This applet works best if the quadrilateral is kept convex. How can we formally prove the phenomena dynamically illustrated here?

Quick (Silent) Demo

New Resources

အခြေခံ data အခေါ်အဝေါ်များ
The black friday GeoGebra :)
The Cosine Formula - Proof Without Words
רישום חופשי
Domino Chain Reaction

Discover Resources

Envelope Method-IanKIeme
Hiperboloide de una hoja
Vertex Form of Parabola
Graph the Line - Level 3
弦中點軌跡方程式
Poorly Drawn Parallelograms

Discover Topics

Arithmetic
Orthocenter
Arithmetic Mean
Conditional Probability
Median Line