Circumference = pi*d where pi = 3.14159 and d is the diameter.
The circumference of a circle with a diameter of 12 is about: 37.7 (C = diameter x Pi).
If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x pi = circumference).
The circumference of a circle with a diameter of 12 cm is: about 37.7 cm
A circle with a 12 inch diameter has a 6 inch radius.
Diameter of circle: 12/pi = 3.8197 meters to four decimal places
If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x Pi = circumference).
Diameter of a circle is defined as twice the radius. So if diameter is 12, the radius is 6.
The area of a circle that has a 12-inch diameter is: 113.1 square inches.
A circle with a diameter of 12 inches has an area of ~113.1 square inches.
The circumference of a circle is pi * diameter. therefore 3.14 * 12 = 37.699 inches.
The radius of a circle is one-half of the circle's diameter. So if the radius is 12 inches, the diameter is 24 inches.
The circumference of a circle is pi times the diameter, so it would be 12*pi or about 37.7.