Areas are already of the type that are measured in squared units of length.
Milliliters is a measure of volume and 3000cm squared is a measure of area, hence the question is not meaningful.
No. A metre measures length, a squared metre measures area.
The area of the square is the measure of the side squared.
A centimetre squared is a measure of area; it can have any shape. The easiest area of 1 centimetre squared (to draw/visualise) is a square with one centimetre on each side.
circle area is pi times radius squared
289in squared
It is its square area which is found by pi*radius squared
It is its square area which is found by pi*radius squared
It is its square area which is found by pi*radius squared
square inches is a measure of area, your question - as phrased - makes no sense.
Nothing. A squared metre is a measure of area. A kilogram is a measure of mass. The two measure entirely different things and it makes no sense at all to try to convert from one to the other.
It is a measure of an area, approximately equal to 492 sq metres.