Respuesta :
area of a regular polygon
A = (1/2)ap
a = apothem p = perimeter
in this case we know both, so the area of the square is just [tex]\bf A=\cfrac{1}{2}(2.5)(20)[/tex].
A = (1/2)ap
a = apothem p = perimeter
in this case we know both, so the area of the square is just [tex]\bf A=\cfrac{1}{2}(2.5)(20)[/tex].