Rectangle
A parallelogram with four right angles
A rectangle is a two-dimensional (2D) shape that has four sides and four right angles. It is a quadrilateral shape, which means it has four straight sides. The opposite sides of a rectangle are equal in length and parallel to each other, which gives it the unique property that opposite sides are congruent and parallel.
The formula to find the area of a rectangle is A = l × w, where A is the area, l is the length, and w is the width. The formula to find the perimeter of a rectangle is P = 2l + 2w, where P is the perimeter, l is the length, and w is the width.
Rectangles have many real-life applications, such as in architecture, engineering, and art. Some common objects that have a rectangular shape include doors, windows, bookcases, and computer screens. The ability to calculate the area and perimeter of rectangles is essential in many fields, such as construction, manufacturing, and graphic design. Overall, rectangles are important shapes in everyday life and are used in many applications across various fields.
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