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.

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Creating a navigation bar to show steps for geometric constructions
Vídeo de apresentação
רישום חופשי
bewijs stelling van Pythagoras
Navigation bar for geometric constructions

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