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Circumference of Circle Formula

GoCircumference of Circle given Area Formula

GoCircumference of Circle given Diameter Formula

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Circumference of Circle is the distance around the Circle. Check FAQs

C = 2 \cdot π \cdot r

C - Circumference of Circle?r - Radius of Circle?π - Archimedes' constant?

Circumference of Circle Example

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With units

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Here is how the Circumference of Circle equation looks like with Values.

Here is how the Circumference of Circle equation looks like with Units.

Here is how the Circumference of Circle equation looks like.

31.4159 = 2 \cdot 3.1416 \cdot 5

31.4159m = 2 \cdot 3.1416 \cdot 5m

31.4159 = 2 \cdot 3.1416 \cdot 5

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Circumference of Circle Solution

Follow our step by step solution on how to calculate Circumference of Circle?

FIRST Step Consider the formula

C = 2 \cdot π \cdot r

Next Step Substitute values of Variables

∴

C = 2 \cdot π \cdot 5m

Next Step Substitute values of Constants

∴

C = 2 \cdot 3.1416 \cdot 5m

Next Step Prepare to Evaluate

∴

C = 2 \cdot 3.1416 \cdot 5

Next Step Evaluate

∴

C = 31.4159265358979m

LAST Step Rounding Answer

∴

C = 31.4159m

Circumference of Circle Formula Elements

Variables

Constants

Circumference of Circle

Circumference of Circle is the distance around the Circle.

Symbol: C

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Circumference of Circle

Radius of Circle

Radius of Circle is the length of any line segment joining the center and any point on the Circle.

Symbol: r

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Radius of Circle

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

Other Formulas to find Circumference of Circle

Go Circumference of Circle given Area

C = \sqrt{4 \cdot π \cdot A}

Go Circumference of Circle given Diameter

C = π \cdot D

Go Circumference of Circle given Arc Length

C = \frac{2 \cdot π \cdot l Arc}{∠ Central}

Go Circumference of Circle given Chord Length

C = \frac{2 \cdot π \cdot l c}{2 \cdot \sin (\frac{∠ Central}{2})}

How to Evaluate Circumference of Circle?

Circumference of Circle evaluator uses Circumference of Circle = 2*pi*Radius of Circle to evaluate the Circumference of Circle, Circumference of Circle formula is defined as the total distance all the way around the Circle. Circumference of Circle is denoted by C symbol.

How to evaluate Circumference of Circle using this online evaluator? To use this online evaluator for Circumference of Circle, enter Radius of Circle (r) and hit the calculate button.

FAQs on Circumference of Circle

What is the formula to find Circumference of Circle?

The formula of Circumference of Circle is expressed as Circumference of Circle = 2*pi*Radius of Circle. Here is an example- 31.41593 = 2*pi*5.

How to calculate Circumference of Circle?

With Radius of Circle (r) we can find Circumference of Circle using the formula - Circumference of Circle = 2*pi*Radius of Circle. This formula also uses Archimedes' constant .

What are the other ways to Calculate Circumference of Circle?

Here are the different ways to Calculate Circumference of Circle-

Circumference of Circle=sqrt(4*pi*Area of Circle)
Circumference of Circle=pi*Diameter of Circle
Circumference of Circle=(2*pi*Arc Length of Circle)/Central Angle of Circle

Can the Circumference of Circle be negative?

No, the Circumference of Circle, measured in Length cannot be negative.

Which unit is used to measure Circumference of Circle?

Circumference of Circle is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Circumference of Circle can be measured.

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