Quadrilateral Diagonal Properties
Special quadrilaterals are characterized by their diagonals: a parallelogram's diagonals bisect each other, a square's are equal and perpendicular bisectors. Learners use these defining properties to find lengths and angles. It sharpens classification of quadrilaterals by structural property rather than appearance.
grade 4 GMD Draw a DiagramVisualize Spatial Relationships
진행 단계 (2)
4-2 1. 평행사변형의 한 대각선은 다른 대각선을 반으로 나눈다. 4.G.A.2
4-2 2. 정사각형의 두 대각선의 길이는 서로 같고 수직 이등분된다. 4.G.A.24.MD.A.3