PARALLELOGRAMS Meaning and
Definition
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Parallelograms are a type of quadrilateral, which is a polygon with four sides. They are characterized by having opposite sides that are parallel and equal in length. Additionally, the opposite angles of a parallelogram are also equal. These properties make parallelograms a special kind of quadrilateral.
The sides of a parallelogram are often referred to as bases and the perpendicular distance between the bases is called the height. The area of a parallelogram is equal to the product of its base and height. In mathematical terms, it can be calculated using the formula: Area = base × height.
There are different types of parallelograms, including rectangles, squares, and rhombuses. Rectangles are parallelograms with four right angles, while squares are parallelograms with all equal sides and right angles. Rhombuses, on the other hand, are parallelograms with all equal sides but no right angles.
Parallelograms have several properties that make them useful in geometry. For instance, the opposite sides of a parallelogram are congruent, meaning they have the same length. Likewise, opposite angles of a parallelogram are congruent as well. These properties enable mathematicians to make geometric calculations and deductions based on the characteristics of parallelograms.
In summary, parallelograms are quadrilaterals with opposite sides that are parallel and equal in length. They have congruent opposite angles and various types such as rectangles, squares, and rhombuses. The area of a parallelogram can be determined by multiplying its base and height.
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Etymology of PARALLELOGRAMS
The word "parallelogram" has its roots in two Greek words: "para" meaning 'beside' or 'parallel', and "gramma" meaning 'line'.
The term was first recorded in English in the late 16th century and was used to describe a quadrilateral (a four-sided polygon) with opposite sides parallel to each other. The word was derived from the Latin word "parallelogrammum", which in turn was borrowed from the Greek word "parallelogrammon".
The combination of the Greek roots emphasizes the defining characteristic of this geometric shape: the parallelism of its sides.
Similar spelling words for PARALLELOGRAMS
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