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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 - 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 - Shape | Definition | Formulas, Properties, Examples
 
A parallelogram is defined as a quadrilateral in which both pairs of opposite sides are parallel and equal. The angle between the adjacent sides of a parallelogram may vary but the opposite sides need to be parallel for it to be a parallelogram. 
  
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. Rectangles, rhombuses, and squares are all special types of parallelograms. 
  
Parallelogram - Definition, Types, Properties, Shapes, Examples
 
Parallelogram is a quadrilateral in which opposite sides are parallel and equal in length. Learn the definition, different types, how to find area, examples & more. 
  
Parallelograms. Properties, Shapes, Sides, Diagonals and Angles-with ...
 
To create a parallelogram just think of 2 different pairs of parallel lines intersecting. ABCD is a parallelogram. Click on the button below to turn the pure parallel lines into a parallelogram. Triangles can be used to prove this rule about the opposite angle. 
  
Parallelogram | Properties, Formulas, Types, and Theorem
 
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. 
  
Parallelogram Definition - 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. 
  
What’s a Parallelogram? The Ultimate Guide to Understanding This ...
 
Ever wondered what makes a parallelogram unique? Dive into the fascinating world of shapes—find out what’s a parallelogram and see if you can spot it in everyday life! 
  
Parallelogram – Definition, Examples - EDU.COM
 
Learn about parallelograms, their essential properties, and special types including rectangles, squares, and rhombuses. Explore step-by-step examples for calculating angles, area, and perimeter with detailed mathematical solutions and illustrations. 
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