| Outer Diameter |
| Inner Diameter |
| Outer Diameter |
||
| Inner Diameter |
Formula: ( 𝜋 × (Outer Diameter/2)2 ) - ( 𝜋 × (Inner Diameter/2)2 )
In other words, Area of Outer Circle - Area of Inner Circle = Area of Circle Border (in square feet)
| Outer Diameter |
| Inner Diameter |
| Outer Diameter |
||
| Inner Diameter |
Formula: ( 𝜋 × (Outer Diameter/2)2 ) - ( 𝜋 × (Inner Diameter/2)2 )
In other words, Area of Outer Circle - Area of Inner Circle = Area of Circle Border (in square feet)