What is Area?

These shapes all have the same area of 9:

It helps to imaginehow much paintwould cover the shape.

There are special formulas for certain shapes:

The width is 5, and the height is 3, so we knoww = 5andh = 3:

We can also put the shape on a grid and count the number of squares:

Example: When each square is1 meteron a side, then the area is15 m2(15 square meters)

The basic unit of area in the metric system is thesquare meter, which is a square that has 1 meter on each side:

Be careful to say square meters not meters squared: read more