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.
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. Square meter is an area unit in metric system and used widely in measuring the small lands, floor plans etc. It equals to 10.7639104 square feet.