Rhomboid
In Euclidean geometry, a parallelogram is a simple (non-self-intersecting) 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. The congruence of opposite sides and opposite angles is a direct consequence of the Euclidean parallel postulate and neither condition can be proven without appealing to the Euclidean parallel postulate or one of its equivalent formulations.
By comparison, a quadrilateral with at least one pair of parallel sides is a trapezoid in American English or a trapezium in British English.
The three-dimensional counterpart of a parallelogram is a parallelepiped.
The word "parallelogram" comes from the Greek παραλληλό-γραμμον, parallēló-grammon, which means "a shape of parallel lines".
Rhomboid Tunes
- 2023-02-02T00:00:00.000000Z
Burning Bass
- 2026-02-18T00:00:00.000000Z
Dark Scream
- 2025-09-26T00:00:00.000000Z
Hard Attack
- 2025-07-16T00:00:00.000000Z
Success
- 2023-05-03T00:00:00.000000Z
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