Rectangle
A parallelogram with four right angles.
A rectangle is a two-dimensional shape with four straight sides and four right angles. It has opposite sides that are parallel and equal in length. The two pairs of opposite sides of a rectangle are congruent (equal). Therefore, the opposite sides of a rectangle are parallel pairs.
The perimeter of a rectangle is the sum of the lengths of all of its sides. The formula for the perimeter of a rectangle is given as:
P = 2(l + w)
where P is the perimeter, l is the length, and w is the width of the rectangle.
The area of a rectangle is the region enclosed by the rectangle. It is calculated by multiplying its length and width. The formula for the area of a rectangle is given by:
A = l × w
where A is the area, l is the length, and w is the width of the rectangle.
Rectangles are commonly found in everyday objects, such as books, televisions, windows, and many more. The properties of a rectangle are used in various mathematical and engineering fields like architecture and construction, computer graphics, and more.
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