구글 클래스룸
GeoGebra지오지브라 클래스룸

5.7 Diagonals of a Quadrilateral

Move APoints A, B, C, and D to create a Rectangle, a Parallelogram, a rhombus and a Square. For each quadrilateral observe relationship between diagonals. Do diagonals Disect each other? How do you know? Are Diagonals Perpendicular? How do you know?