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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.
GeoGebra
New Resources
Poorly Drawn Parallelograms 3
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Average Rate of Change: Graph a Function (1)
alg2_05_05_04_applet_exp_fxn_flvs
alg2_05_05_01_applet_exp_2_flvs
Discover Resources
Average Rate of Change Exponential
Altitude and Orthocenter
Triangle Angle Theorems (V2)
Spagna Soluzioni Sistemi lineari 3X3
Romboide
Discover Topics
Sine
Quadratic Equations
Pyramid
Quadratic Functions
Linear Regression