In geometry, a square is a regular quadrilateral. This means that it has four equal sides and four equal angles (90-degree angles, or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length. A square is quadrilateral (Quadrilateral just means "four sides" quad means four, lateral means side).with :
- Four equal sides and four equal angles
- Opposite side that are parallel
- Two diagonal that bisect at right angles
- Four lines of symmetry
If a square has a side of length 7 cm its area is 7*7=49 square cm.