# Types of quadrilaterals?

Parallelogram -- 2 pairs of parallel sides

Trapezoid -- exactly 1 pair of parallel sides

Rhombus -- 4 congruent sides

Rectangle -- 4 angles congruent

Square -- four angles and sides congruent

### What are fifteen or more facts and features relevant to geometrical quadrilaterals?

You're supposed to ask only one question at a time but here we go for 15 or more questions about quadrilaterals:- 1 Quadrilaterals are 4 sided 2 dimensional polygons 2 Quadrilaterals have 4 interior angles that add up to 360 degrees 3 Quadrilaterals have 4 exterior angles adding to 360 degrees 4 Quadrilaterals have 2 diagonals 5 Quadrilaterals have a perimeter which is the sum of their 4 sides 6 Quadrilaterals have areas with formulae…