Quadrilaterals

Square 🟧

Square has:
- All sides are equal
- 4 right angles
- 4 lines of symmetry
- Two pairs of parallel sides
- Equal diagonals.


* Diagonals are perpendicular
* The diagonals bisect each other at a right angle.
* Rotational symmetry of order 4
* Is a parallelogram with 4 equal sides and 4 right angles
* Is a rhombus with 4 right angles
* Is a rectangle with 4 congruent sides

Rectangle

Rectangle has:
- 2 pairs of equal opposite sides.
- 4 right angles
- 2 lines of symmetry
- Two pairs of parallel sides

* Diagonals bisect each
other.
* Diagonals are equal
* Rotational symmetry of order 2
* Is a parallelogram with 4 right angles

kite

Kite has:
- 2 pairs of equal adjacent sides
- The diagonals bisect each other at a right angle.
- 1 pair of equal angles.
- No parallel sides.


* Diagonals are not equal
* Diagonals are perpendicular
* Rotational symmetry of order 1

Parallelogram

Parallelogram has:
- No lines of symmetry
- 2 pairs of equal opposite sides
- 2 pairs of equal angles
- Two pairs of parallel sides


- Each opposite angles are equal
* Diagonals bisect each other
* Diagonals are not equal
*Rotational symmetry of order 2

Trapezium

Trapezium has:
- Exactly 1 pair of parallel sides.
- No equal sides.
- No equal angles.
- No lines of symmetry.
- It could have right angle.


* Diagonals are not equal
* Rotational symmetry of order 1

Isosceles trapezium

Isosceles Trapezium has:
- Exactly 1 pair of parallel sides
- 1 pair of equal sides
- 2 pairs of equal angles
- 1 line of symmetry
- Rotational symmetry of order 1
- Equal diagonals

Rhombus ◇

Rhombus has:
- 2 lines of symmetry.
- Opposite angles are equal.
- All sides are equal.
- 2 pairs of parallel sides.


* Diagonals are not equal.
* Diagonals are perpendicular.
* Rotational symmetry of order 2
*Is a parallelogram with 4 congruent sides