Answer:
Step-by-step explanation:
h = 15 yards
Volume = 475.17 cubic yards
[tex]\frac{1}{3}\pi r^{2}h=475.17\\\\\frac{1}{3}*3.14*r^{2}*15=475.17\\\\r^{2}=\frac{475.17*3}{3.14*15}\\\\r^{2}=30.27\\\\r=\sqrt{30.27}[/tex]
r = 5.5 yards
Diameter = 5.5*2 = 11.0 = 11 yards
