A square is a four-sided figure as well as a shape with all sides equal in length. It is also a two-dimensional shape and figure with opposite sides parallel and perpendicular with all angles equaling 90 degrees and angles totaling 360 degrees. A square has four right angles and its perimeter is the sum of all its side lengths having horizontal and vertical lines of symmetry. The area of a square is the product of two adjacent side lengths.
Square can also be used to describe other things that are symmetrical or have four sides, such as a square room or a square piece of paper. The term can also be used to describe someone who is honest and fair or something that is exact and precise.
The word “square” is thought to have originated from the Latin word for “four”, quadrus. This is because a square has four sides. The English word “square” first appeared in the late 13th century, and it originally meant “a right-angled instrument used for measuring,” or a kind of ruler. Over time, the meaning of the word shifted to refer to anything that was shaped like a rectangle with four equal sides, such as a room or piece of paper. Today, we use the word square to describe many different things, from geometry to city blocks.