There are a variety of modern definitions of economics, some reflect evolving views of the subject or different views among economists.
So the area of the square is 7 x7 = 49 cm^2 and the perimeter of the square is 7 x 4 = 28 cm. And in example 1 you have a square of side length 8cm and you need to work out the area and perimeter of the square. So the area of the square is 8 x8 = 64 cm^2 and the perimeter of the square is 8 x 4 = 32 cm.
Square inches to square millimeters conversion table shows the most common values for your quick reference. Also, you may use the converter below to convert any other values. 1 Sq. Inch = 645.16 Sq. Sq. millimeter is an area unit in metric system and used rarely. Commonly spelled as square millimetre in many countries. The abbreviations are mm2 or sq mm. Sq. inch is an imperial, US customary area unit. The abbreviations are sq in and in2. For other area unit conversions, please go to Area Conversion.