Quadrilateral Invariant

Author:Judah L Schwartz

Drag WHITE dots to fix the GREEN quad. Slider adjusts the fraction of the side of the quad occupied by the YELLOW segment. Conjecture(s) ? Proof(s) ? Extension(s) ?

Adapted from an applet by Anthony CM Or

New Resources

Parallel lines, Transversals and Segments
Tangent Plane to a Sphere
AI for worksheet development
bewijs stelling van Pythagoras
General Polar Equation of Conics with Rotation (1)

Discover Resources

equation of a line
Linearization Checker (Calculus)
Angle in a Semi Circle
Midpoint Quadrilaterals
Walk through the maze using AR!

Discover Topics

Statistical Characteristics
Hypothesis Testing
Vectors 3D (Three-Dimensional)
Random Variables
Tangent Line or Tangent