One circular table has a diameter of 9ft and another circular table has a diameter of 20 ft how much greater is the area of the larger table? Answers are either 336ft, 1002ft, 146ft, or 251ft. There is no picture/s. Thanks!

Question

phi · Answer

The area of a circle is pi*r*r  or $ \pi r^2 $
so figure out the radius r  (1/2 the diameter)
square it (r*r)
multiply by 3.14

do that for both circles.
subtract the smaller from the bigger to get the answer.