Angle Exploration for Quadrilaterals

Author:Jim Doherty

In this sketch you can explore the sum of the sides of a quadrilateral and the sum of the interior angles of a quadrilateral by choosing any vertex to move.

New Resources

Viviani's Curve
bewijs stelling van Pythagoras
Hyperbolic Paraboloid
z`]]
Cartesian vs Polar

Discover Resources

Leading coefficient and graph of quadratic function
free points vs sliders (script)
Snowball Earth
Gateway Arch -Modeling with Parabola -Maria Sapcaliu (RO)
Re-parametrization of Vector functions and their derivatives

Discover Topics

Hyperbola
Special Points
Linear Programming or Linear Optimization
Binomial Distribution
Geometric Distribution