Respuesta :
the circumference is 2rpi or pid so since the diameter is 45 the circumference is 45pi or about 141 yrds
Diameter = 45 yards
Distance around the circular part = Circumference of a circle
Circumference of a circle = 2 *22/7 * Diameter/2
= 44/7 *45/2
=141.4285714 yards