alyssatincher1 alyssatincher1

16-03-2018
Mathematics

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One circular table has a diameter of 9 ft, and another circular table has a diameter of 20 ft. How much greater is the area of the larger table? Round to the nearest whole number.

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vunderkid vunderkid

16-03-2018

S=πR²
ΔS=π(10²-(4.5)²)=79.75≈80 square ft
The area of larger table is greater by 80 square ft.

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