Twelve inches is a length. It can be a diameter, but if it is a diameter, you would simply say 'The circle is 12 inches diameter'. So; how big is it - it is 12 inches.
The area of a circle with a diameter of twelve inches rounded to the nearest whole number is 113 square inches.
The diameter of the circle will be: 26.1 inches.
If the circumference of a circle is 28 inches the diameter is: 8.913 inches (circumference divided by Pi = diameter).
Frisbees come in different sizes. The diameter can be 8 inches, 10 inches, 12 inches, or another diameter.
The circumference of a circle if its diameter is 20 inches is: 62.83 inches (diameter x Pi = circumference).
Twelve inches or thereabouts.
The area of a circle with a diameter of twelve inches rounded to the nearest whole number is 113 square inches.
113.04 if the diameter is twelve inches
6 inches.
It is as big as a big potato chip
It depends on what you mean by "big". It has a radius of 600 inches.
2 7/8 inches to 3 inches in diameter
Divide the circumference by Pi.
2 7/8 inches to 3 inches in diameter
The diameter is 14 / 3.141592654 = 4.4563384 inches.
The circle has a diameter of 6.366 inches.
A paintball is about 1.6 inches in diameter.