Outer Length |
Outer Width |
Inner Length |
Inner Width |
Length | |
Width |
Formula: (Outer Length × Outer Width) − (Inner Length × Inner Width) = Area (in Square Feet)
In other words, Outer Area − Inner Area = Area of Border
Outer Length |
Outer Width |
Inner Length |
Inner Width |
Length | |
Width |
Formula: (Outer Length × Outer Width) − (Inner Length × Inner Width) = Area (in Square Feet)
In other words, Outer Area − Inner Area = Area of Border