+A parallelogram is a fundamental [quadrilateral](/wiki/Quadrilateral) in Euclidean geometry, characterized by two pairs of parallel sides. Its opposite sides and angles are always equal, a property that imbues the shape with an inherent [symmetry](/wiki/Symmetry).
+## See also
+- [Rectangle](/wiki/Rectangle)
+- [Rhombus](/wiki/Rhombus)
+- [Square](/wiki/Square)
... 1 more lines