Circumference of a Circle
2 x Pi x Radius
The circumference of a circle is the distance around the edge or boundary of the circle. It can be calculated using the formula:
C = 2πr
where C is the circumference, π is pi which is approximately 3.14159, and r is the radius of the circle.
To use the formula, simply substitute the value of the radius into the equation and then solve for C. For example, if the radius is 6 cm, the calculation would be:
C = 2π(6)
C = 12π
C ≈ 37.7 cm
Therefore, the circumference of a circle with a radius of 6 cm is approximately 37.7 cm.
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