Exterior Angles of Polygons

Use the metaphor of the angles turned by a car travelling along the sides of a polygon to help students to grasp the ideas of exterior angles of a polygon and their sum. Anthony Or. GeoGebra Institute of Hong Kong. (繁體中文版:https://ggbm.at/551)

 

Anthony OR 柯志明

 
Материалын төрөл
Үйл ажиллагаа
Шошгууд
angle  exploration  exterior-angles  geometry  polygon  polygons  proof 
Зорилтот бүлэг (нас)
11 – 14
Хэл
English (United Kingdom)