a parallelogram is a simple (non-self-intersecting) quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are...

In mathematics, the simplest form of the parallelogram law (also called the parallelogram identity) belongs to elementary geometry. It states that the...

rhombus is simple (non-self-intersecting), and is a special case of a parallelogram and a kite. A rhombus with right angles is a square. The word "rhombus"...

Fundamental parallelogram may mean: Fundamental pair of periods on the complex plane Primitive cell on the Euclidean plane This disambiguation page lists...

of the sides of an arbitrary quadrilateral form a parallelogram, called the Varignon parallelogram. It is named after Pierre Varignon, whose proof was...

of a parallelogram called the Varignon parallelogram. It has the following properties: Each pair of opposite sides of the Varignon parallelogram are parallel...

Parallelograms is an album by American psychedelic folk singer Linda Perhacs. It was produced by Leonard Rosenman. Her first and only album until the release...

rhomboid is a parallelogram in which adjacent sides are of unequal lengths and angles are non-right angled. The terms "rhomboid" and "parallelogram" are often...

figure formed by six parallelograms (the term rhomboid is also sometimes used with this meaning). By analogy, it relates to a parallelogram just as a cube relates...

The parallelogram of forces is a method for solving (or visualizing) the results of applying two forces to an object. When more than two forces are involved...