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Parallelogram - Wikipedia
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.

Parallelogram - Definition, Types, Properties, Shapes, Examples
A parallelogram is a special type of quadrilateral that has both pairs of opposite sides parallel and equal. The given figure shows a parallelogram ABCD, which has AB II CD and AD II BC. Also, AD = BC and AB = CD.

Parallelogram - Definition, Formulas, Properties and Examples - BYJU'S
A parallelogram is a two-dimensional geometrical shape whose sides are parallel to each other. It is a type of polygon having four sides (also called quadrilateral), where the pair of parallel sides are equal in length.

Parallelogram - Shape | Definition | Formulas, Properties, Examples
A parallelogram is a quadrilateral which is made up of 2 pairs of parallel sides. In a parallelogram, the opposite sides are parallel and equal in length. A few examples of a parallelogram are rhombus, rectangle, and square. What is the Difference Between a Parallelogram and a Quadrilateral?

Parallelogram - Math is Fun
A Parallelogram is a flat shape with opposite sides parallel and equal in length. Angle A and angle B add up to 180°, so they are supplementary angles. Play with a Parallelogram: NOTE: Squares, Rectangles and Rhombuses are all Parallelograms! Example: A parallelogram where all angles are right angles is a rectangle!

Parallelogram | Definition, Properties, Area, & Examples | Britannica
A parallelogram is a four-sided plane figure in which both pairs of opposite sides are parallel and equal. It is a quadrilateral in which the opposite angles are equal and the diagonals bisect each other.

Parallelograms. Properties, Shapes, Sides, Diagonals and Angles-with ...
A parallelogram is a quadrilateral made from two pairs of intersecting parallel lines. There are several rules involving: the angles of a parallelogram ; the sides of a parallelogram ; the diagonals of a parallelogram

Parallelogram – Definition, Shape, Properties, Formulas - Math Monks
A parallelogram is a flat geometric shape having four sides with two pairs of opposite parallel sides that are equal in length.

Parallelogram -- from Wolfram MathWorld
A parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal). A quadrilateral with equal sides is called a rhombus, and a parallelogram whose angles are all right angles is called a rectangle.

Parallelogram | Properties, Formulas, Types, and Theorem - GeeksforGeeks
A parallelogram is a two-dimensional geometrical shape whose opposite sides are equal in length and are parallel. The opposite angles of a parallelogram are equal in measure and the Sum of adjacent angles of a parallelogram is equal to 180 degrees. A parallelogram is a four-sided polygon (quadrilateral) and, it has the following key properties: