Proof Without Words

Author:Steve Phelps

Drag the points. Drag the slider. What do you notice? What does it prove? How does it prove? Sincere thanks to Luis Guillermo de la Rosa Jiménez http://www.geogebratube.org/luisgdelarosa

New Resources

Function Machine
Set Operations (2 Sets)
Geometric linkage
Translation in 3D (via x, y, z)
အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

Find tan from cos
Perpendicular Bisectors - December 16
รูปคลี่พีระมิด
ergasia1

Discover Topics

Bar Chart or Bar Graph
Plane Figures or Shapes
Geometry
Quadrilaterals
Arithmetic