Answer: 254 ft
Explanation:
Hi, to answer this we have to apply the formula for the area of a circle when we know the diameter.
Area of a circle (A)= (π/4) x D^2
Where D is the diameter
Replacing with the values given:
A = (π/4) x 18^2 = (3.14/4) x 324 =254.34 feet.
Feel free to ask for more if needed or if you did not understand something.