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If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x pi = circumference).

Q: If the diameter of a circle is 12 inches what is the circumference of the circle?

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If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x Pi = circumference).

Divide the circumference of a circle by pi to obtain the diameter. Diameter of a 36 inch diameter circle is 36/3.1416 inches , or 11.459 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.

circumference = π x diameter ⇒ diameter = circumference ÷ π = 12 cm ÷ π ~= 3.8 cm

The circumference of a circle is given by Circumference = pi x diameter. The area of a circle is given by Area = pi/4 x diameter2. Thus for a circle with circumference c = 12 in. The area will equal a = 11.459 in2.

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If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x Pi = circumference).

Circumference = 37.7 inches Diameter = 12 inches

If a circle has a diameter of 12 inches the circumference will be about 37.7 inches. (C = d x Pi)

The circumference and area of a circle with diameter of 12 inches are:C = 37.7 inchesA = 113.1 square inches

The circumference of a circle, with a diameter of 12 inches, is 37.7 inches.

If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x Pi = circumference).Circumference of a circle is pi x diameter, pi has a value of 3.1415, can you proceed from here, you can do it, try it, Good luck!

The circumference of a circle is pi * diameter. therefore 3.14 * 12 = 37.699 inches.

Divide the circumference of a circle by pi to obtain the diameter. Diameter of a 36 inch diameter circle is 36/3.1416 inches , or 11.459 inches.

Circumference = pi x the diameter of the circle C = pi (12 inches) So C = 3.14159 X 12 C =37.69906 (approx)

37 45/64 inches.

diameter = circumference/pi = 12/pi inches

circumference = 12*pi = 37.699 inches to 3 decimal places