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 GeometryMeasurement & data Draw a DiagramVisualize Spatial Relationships
Progression (2)
g4 1. Diagonals of a parallelogram bisect each other Geometry
g4 2. Square diagonals are equal and perpendicular bisectors GeometryMeasurement & data