In designing homes, offices or other buildings, the amount of living area or working area is of primary concern to the architect. The word area is used to indicate the measure of a surface. Square units, such as square feet or square meters are the standard units used in measuring area. One square unit is a square that measures one unit on each side. The
of any polygon is the number of square units that are contained within the figure.
_______________ This is one linear inch. It is used to measure the length of a line segment.
(figure available in print form)
This is one square inch. It is a square each of whose sides is one inch long. It is used as a unit of measure of area.