Respuesta :
The equation for the area of a circle is: [tex] \pi r^2[/tex] . Insert 9 as your radius (r) into the equation and solve:
\pi 9^2 = 254.469
\pi 9^2 = 254.469
I hope I'm reading this right but the circle has a radius of 9?
a = π r²
81π or 254.34
a = π r²
81π or 254.34