For a rectangular shaped area enter:
Length of area:       Width of area:
' times  ' = Sq. Feet
Approximate square yards needed.

For a circle area enter:
Diameter of Circle:
(( ' / 2) ^2) * 3.14 =
Approximate square feet needed.

For a triangle shaped area enter:
Base of triangle:      Height of triangle:
( ' / 2) *   =
Approximate square feet needed.