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

Shadow of a Cube (v2)
Variation Theory Parallelogram Proofs
Parallelograms: Quick Investigation
Tutorial: Zip command
Exploring the Area of a Triangle

Discover Resources

Finding Distance to the Target Enemy
Birdhouse Problem (Exp vs. Linear)
Kittens Crazy Hair Day
Algebra 1 (10th grade)
SAFE

Discover Topics

Functions
Numbers
Probability
Set Theory
Calculus