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Circumference of circle: 4*pi = 12.566 cm to 3 decimal places

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Q: What is the diameter of a circle is 4 cm. Which equation can be used to find its circumference?
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Related questions

What is the mathematical equation you generally use to find the circumference of a circle when you know the diameter?

circumference of a circle = diameter*pi or 2*pi*radius


What is the equation to find the perimeter of a circle?

Circumference ("perimeter") of a circle = (pi) x (diameter of the circle)


How do you find the radius of a circle only knowing the circumference?

The equation for finding the circumference of a circle is diameter times pi so reverse it to circumference divided by pi which leaves the diameter. The diameter is twice as big as the radius so divide the diameter by 2 and you will find the radius.


How do you find the DIAMETER if given the circumference OF A CIRCLE?

Diameter of a circle = circumference/pi


How do you find the diameter of a circle if you know the circumference?

Divide the known circumference by pi to find the diameter of the circle.


What is the circumference of a circle if the radius is 5meters?

To find the circumference of a circle the equation would be pi multiplied by diameter, or radius squared. the answer would be 31.415 units squared.


How do you find the diameter of a circle when you know the circumference?

circumference/pi = diameter


To find the circumference of a circle multiply the diameter by?

diameter*pi = circumference


How do you find diameter of circle using the circumference?

Diameter = circumference/pi


How do you find the circumference when the diameter is 14?

The circumference of a circle is found using the following formula: Circumference of a Circle = Pi x r2 So with these equation in mind we get the following problem. Circumference of a Circle = 3.14 x 14 Circumference of a Circle = 43.96 units


How do yu find the diameter of a circle if you have the circumference?

Divide the circumference by Pi to find the diameter.


How do you get he circumference of a circle?

To get the circumference of a circle first you have to find the diameter of the circle and multiply the diameter by Pi (3.14 in short). so it is the diameter * Pi.