one circular table has a diameter of 9ft, and another circular table has a diameter of 20ft. How much greater is the large area of the larger table?

C. about 251 ft^2

Step-by-step explanation:

the formula for the area of a circle is A=π r ^2. r (radius) is 1/2 of the diameter. when you plug in table #1 into the equation (A= π 4.5 ^2) you end up with an area of 63.62 ft^2. now plug in table #2 into the equation (A = π 10 ^2) and you'll get an area of 314.16 ft^2. final step is to find the difference between the two areas by subtracting (314.16 - 63.62) and you will get 250.54 ft^2. which rounds up to 251 ft^2.

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