Quadrilaterals and symmetry
Pages
The special quadrilaterals
The defining properties of the square, rectangle, parallelogram, rhombus.
Diagonals of the special quadrilaterals
Which quadrilaterals have diagonals that are equal.
Classifying quadrilaterals
Why a square is a rectangle but a rectangle need not be a square.
Line symmetry
Counting the mirror lines of polygons.
Rotational symmetry
The order of rotational symmetry as how many positions a tracing fits.
Practice
Practice
The special quadrilaterals
The defining properties of the square, rectangle, parallelogram, rhombus.
PracticeDiagonals of the special quadrilaterals
Which quadrilaterals have diagonals that are equal.
PracticeClassifying quadrilaterals
Why a square is a rectangle but a rectangle need not be a square.
PracticeLine symmetry
Counting the mirror lines of polygons.
PracticeThe special quadrilaterals review
Naming quadrilaterals from their properties, diagonals and symmetries.