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

Area Between Two Curves
Visualizing the Pythagorean Identity with Sine and Cosine
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random coprime pairs
montecarlo circles 5

Discover Resources

Creation of Twisted Tori
Intercept Form of a Quadratic Function
nonrectangular p-gram 1 pair of opp. sides parallel+Cong.
теорема Фалеса

Discover Topics

Means
Functions
Fractions
Geometric Distribution
Arithmetic