Respuesta :

Answer:

81(pi) yards ^2

Step-by-step explanation:

Area=(pi)r^2

R=Radius

Radius=Diameter/2

r=9 yards

Area=(pi)*9^2

Area=81(pi) yards^2

Answer:

254.34

Step-by-step explanation:

area of circle= (πd^2)÷4(d=diameter)