Google Classroom谷歌课堂
GeoGebraGeoGebra 教室
GeoGebra

sum of interior angles of a quadrilateral is 360 degrees

作者:Mathguru
主题:角
On the screen, we see a quadrilateral ABCD in blue color. Observe how the shape and angles of this quadrilateral ABCD change as we move the points A, B, C and D.

新资源

发现资源

发现主题