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.
For other area unit conversions, please go to Area Conversion. Square meters to hectares conversion factor is 0.001 (there are 10 000 sq meters in 1 hectare). To find out how many hectares in sq. meters, multiply by the factor or instead, use the converter below. 1 Square Meter = 0.0001 Hectares.