Respuesta :
					                   if i remember correctly, the radius is half of the diameter so that would be 82.5ft
as for the other question im not sure
					                
					             as for the other question im not sure
					                   The radius is always half of the diameter 
To find the circumference of the circle it is pi multiplied by the diameter
					                
					             To find the circumference of the circle it is pi multiplied by the diameter
 
			                  