Q: What is the circumference of a 4 in diameter?

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Given a circle with a diameter of 4, the circumference is: 12.6 (diameter x Pi = circumference).

12.5663706144, because the diameter (4) times Pi equals circumference

The circumference = Pai x Diameter = 3.14 x 4 = 12.56 cm

4*pi

Multiply the radius by 2 to get the diameter. Then multiply the diameter by pi to get the circumference. Example: If radius = 2 inches, diameter = 4 inches circumference = 4 x pi = 4 (3.1416) or about 12.57 inches

Related questions

Given a circle with a diameter of 4, the circumference is: 12.6 (diameter x Pi = circumference).

circumference = Pi * diameterdiameter = circumference / PiThe diameter is 4/Pi or approximately1.2732490258705930933383273555459.

The circumference of a 4-inch diameter circle is: about 12.57 inches. (diameter x pi = circumference).

To find the diameter divide the circumference of the circle by pi

12.5663706144, because the diameter (4) times Pi equals circumference

If a circle has a diameter of 4 bananas, it's circumference is 12.564 bananas

Circumference = pi*diameter so diameter = circumference/pi = 40/pi = 12.7324 feet (to 4 dp)

The circumference of the circle that has a diameter of 4 feet is: 12.57 feet

The circumference = Pai x Diameter = 3.14 x 4 = 12.56 cm

4

Circumference is simply pi times the diameter. The approximate value of pi is 3.14, so for a circle 4 feet in diameter, the circumference is 4 x 3.14 = 12.56 feet, approximately.

A circumference of 12.57 inches.