Αντιγραφή του Animation of Angle Sum of Triangle

Visualizing the fact that the sum of the interior angles of a triangle is always a straight angle, i.e. α+β+γ=180°

Elen — 12 janvier 2020 - 14:26

Licence: CC-BY-SA, GeoGebra Terms of Use
Basé sur: Animation of Angle Sum of Triangle
partagé par Linda Fahlberg-Stojanovska