Square is a four sided two dimensional (2D) geometric figure. All the sides are equal in length and all the four angles are right angles. The opposite sides are parallel to each other.
Diagonal: The diagonals of a square bisect each other
Area: Area of a Square is claculated by the formula: Side²
Perimeter: This is calculated by the formula: 4 * Side
Diagonal: Diagonal of the square is Side * √ 2
Meter (m): is the base unit of length in the International System of Units (SI). Metre is defined as the distance travelled by light in a specific fraction (1299 792 458) of a second.
Other SI units: are millimeter (mm) ie 1/1000 of m, centimeter (cm) which is 1/100 of m and kilometer (km) which is equal to 1000m.
Other English units of measure of distance are:
Mile: An English unit of length, it is equal to 1609 meters (m).
Yard: It is equal to 0.9144 meters (m).
Foot: It is equal to 0.3048 meters (m).