Find the Circumference circle (2.25)

Math
r=2.25
The circumference of a circle is equal to Pi π times the diameter d.
π⋅(diameter)
Since the diameter d is equal to 2 times the radius r, the formula for circumference using radius is 2πr.
2π⋅(radius)
Substitute the value of the radius r=2.25 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
2⋅π⋅2.25
Multiply 2π⋅2.25.
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Multiply 2.25 by 2.
4.5π
Multiply 4.5 by π.
14.13716694
14.13716694
Find the Circumference circle (2.25)

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