Answer: 254.34
Explanation:
First we can fine the radius by dividing the diameter (18in) by 2: 18/2=9
Then we can use the formula to find the area of the circle (pi*r^2):9*9*pi=81pi
Finally, approximate pi to 3.14 and multiple: 81*3.14=254.34
Therefore, the answer is 254.34