That depends on the football's diameter because pi*diameter = circumference
Field diameter is calculated by measuring the distance across the field of view of a microscope, then dividing that measurement by the magnification of the objective lens being used. This gives you the field diameter in micrometers.
The field of view would be 80 times the diameter.
The size of a high school football is a Wilson TDS. 11.6 inches long, with a diameter of 6.7 inches.
To calculate the field diameter of a medium power lens, you need to first determine the field number of the lens. The field number is typically provided by the manufacturer and represents the diameter of the field of view in millimeters. To calculate the field diameter, you divide the field number by the magnification of the lens. Field diameter = Field number / Magnification.
Magnification is inversely proportional to the diameter of the field of view.
Football is the name given to a number of different team sports. All have fairly different measurements, and because many are elliptic (rather than spherical) they do not have diameters anyway. The only football with a diameter is the association football ball, which has a diameter of 21.6 to 22.3 centimetres.
Click on the 'American Football Field Diagram' link below to see a diagram of an Amerian football field.
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the football field.
3 points for a field goal in American Football
Well, isn't that a fun question! A football field is a rectangular shape, so it doesn't have a square root like a square would. But if we imagine the area of a football field as a square, we could find the square root by taking the square root of the area in square units. Just remember, math can be as creative and imaginative as painting a happy little tree!