Parallelogram
2D shape
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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. Wikipedia
Area: b × h (base × height); ab sin θ (product of adjacent sides and sine of the vertex angle determined by them)
Number of edges: 4
Line of symmetry: 0
Rotational symmetry order: 2
Sum of interior angles: 360°
Number of vertices: 4