Answer:
84.78 square units
Step-by-step explanation:
Imagining this, we know that the radius must go from (0,0) to (9,0). The radius, then, must be 9.
Area is pi*r^2.
3.14*9^2 = 254.34 square units.
Now, divide by 3 to get the answer.
254.34/3 = 84.78 square units
