# Stadium Area and Perimeter Calculation

In geometric stadium shape is a circle of radius (r) that has been cut in half through the center and the 2 ends are then separated by a rectangle of height (r) and width (a). therefore :
Area (A) = π r2 + 2ra
Perimeter (P) = 2( π r + a )
 Stadium Calculator Radius value (r) =m Length side (a) =m Area (A) =m2 Perimeter (P) =m