It is 1.91 feet.
If you describe a table as being 6 foot, that would normally mean that it is 6 feet long, and rectangular in shape rather than round. Only round tables have a diameter. The term doesn't apply to rectuangular tables.
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6 ft
Circumference = (pi) x (Diameter) = 6 pi = 18.85 ft(rounded)
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To find the areas of the circular tables, we use the formula for the area of a circle, ( A = \pi r^2 ). The radius of the first table (diameter 6 ft) is 3 ft, giving an area of ( \pi (3^2) = 9\pi ) square feet. The radius of the second table (diameter 8 ft) is 4 ft, giving an area of ( \pi (4^2) = 16\pi ) square feet. The difference in areas is ( 16\pi - 9\pi = 7\pi ), which is approximately 22 square feet when rounded to the nearest square foot.
If you describe a table as being 6 foot, that would normally mean that it is 6 feet long, and rectangular in shape rather than round. Only round tables have a diameter. The term doesn't apply to rectuangular tables.
6 ft by 20 ft is not enough information for us to answer We need to know the radius or diameter of the tank and its height and you have to tell us which measurement is which.
Each person requires at least a 24 inches for eating space. This means a 4 ft diameter table will fit 6 people. That is a bit crowded though, so I would shoot for 30 inches instead. That would mean you should have 5 foot diameter table for 6 people.
For banquets, a 6 ft (72inch) round table is typically used to seat 10 people comfortably
A 4' diameter table will have a circumference of ~12.5'. Assuming each person takes up just a little bit above 2', there should be enough room for a maximum of 6 people.
If a circle has a circumference of 6 ft, the diameter is: about 1.91 feet. You can easily do this calculation for other circles by dividing the circumference by Pi (about 3.1416). The result is the diameter.
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881.215995
hello
The volume is 678.58ft3
Total area of yard = 40 ft * 20 ft = 800 sq ft. Area of pool = pi*r2 = pi*6*6 = 113.1 sq ft. Area left = 686.9 sq ft.