190k views
4 votes
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

User Trosendal
by
8.1k points

1 Answer

6 votes
It is best to solve for the areas of two circles and solve for their difference. The area is calculated by the equation, A = πd² / 4
A1 = π x(9 ft)² / 4 = 81π/4 ft²
A2 = π x(20 ft)² / 4 = 100π ft²
The difference in their values is approximately 250.52 ft².
User FelixCQ
by
8.6k points

No related questions found