1. Consider the size of your space. This will dictate the formula you will need to determine the area. For example, to find the area of rectangle and square spaces, you will need
http://www.ehow.com/how_5150359_calculateareasqu...

Square feet are calculated by multiplying the length of an area by its width. So, for example, for a three foot long by five foot wide area, you multiply three by five for a result
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In a rectangular figure, square feet a generated when you multiply the length of an area by its width. So if a rectangle is 3 feet long by 5 feet wide, the area is 3 x 5 = 15 square
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If the perimeter of a square is 80' then each side must be 20' in length. (4 x 20 = 80) The area of a rectangle is obtained by multiplying the length by the width. A square is a rectangle
http://wiki.answers.com/Q/What_is_the_area_of_a_sq...
