Question

The perimeter of square field is 6 km . Find its area in hectares​

Answer 1

Now, the formula for finding the area of a square is (length squared) l^2, and since we have found this length, we square (i.e multiply it by itself) it, and this gives us 2.25km^2. 100 hectares is 1 square kilometer, so we multiply 2.25km^2 by 100, and this gives us 225 hectares.