User:ChrisnelJosephkill/sandbox

In Euclidean geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure. Area: base × height Perimeter: 2 x (sum of lengths of adjacent sides) Number of vertices: 4 Number of edges: 4 Properties: Convex polygon Type: Quadrilateral Line of symmetry: 0