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Difference between Parallelogram and Quadrilateral

Difference between Parallelogram and Quadrilateral

When most people think of parallelograms and quadrilaterals, they assume that the two terms are interchangeable. However, there is a big difference between these two shapes. In this blog post, we will discuss the differences between parallelograms and quadrilaterals, as well as their properties. See the sample image above.

What is Parallelogram?

In 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 criteria for parallelograms are thus the same as for rectangles: Opposite sides parallel, Adjacent angles supplementary, Diagonals bisect each other, and Consecutive angles complementary. A parallelogram has several important properties. First, its opposite sides are parallel by definition. Second, its diagonals bisect each other. Third, the lengths of its four sides can be different, as long as the polygon’s overall shape remains unchanged. Finally, the sum of its interior angles is 360 degrees. There are many types of quadrilaterals, but a parallelogram is one of the most basic and important shapes in geometry. It is essential that you understand all about this shape so that you can build on this knowledge in future mathematics courses.

What is Quadrilateral?

A quadrilateral is a four-sided polygon. The sides can be of any length and the angles between them can be of any size. However, the sum of the angles must always equal 360 degrees. Quadrilaterals are classified according to their angles and sides. Some common types of quadrilaterals include rectangles, squares, parallelograms, and trapezoids. Each type has its own unique properties that can be used to identify it. For example, all squares have four equal sides and four right angles. In contrast, a rectangle has two pairs of parallel sides, while a parallelogram has only one pair of parallel sides. Despite their different shapes, all quadrilaterals share some common features. For instance, they all have four vertices (corner points) and four edges (sides). As such, they provide a useful way to divide space into smaller sections. Quadrilaterals are found in many everyday objects, such as doors, windows, and tables. They also play an important role in architecture and engineering. By understanding the properties of different quadrilaterals, we can create buildings and structures that are both strong and aesthetically pleasing.

Difference between Parallelogram and Quadrilateral

A parallelogram is a four-sided geometric figure with two pairs of parallel sides. In contrast, a quadrilateral is any four-sided figure, whether or not the sides are parallel. Because a parallelogram has specific parallel sides, it has certain properties that a quadrilateral does not have. For example, all angles in a parallelogram are equal, and the figure can be divided into two identical halves by a line parallel to the sides. A quadrilateral, on the other hand, can have any combination of angles, and need not be divisible into two equal halves. While all parallelograms are quadrilaterals, not all quadrilaterals are parallelograms. Understanding the difference between these two figures is essential for correctly solving geometric problems.


In conclusion, parallelograms and quadrilaterals are both shapes with four sides. However, there are some key differences between these two geometric shapes. Parallelograms have two pairs of parallel sides, while quadrilaterals do not. Additionally, parallelograms always have the same shape regardless of how they are rotated, while the shape of a quadrilateral can change depending on how it is rotated. By understanding the differences between these two shapes, you can better identify them in real-world situations and apply their properties to various mathematical problems.

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