25.12 in
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The circumference of a circle can be found with this formula: Circumference = 2*(radius)*∏ where ∏ can be rounded to 3.14 Plugging in your radius of 4: Circumference = 2*4*∏ = 8*∏ which is around 25.13.
To the nearest hundredth, the circumference of a circle with a radius of 4 is 25.13
A circle with a radius of 4 miles has a circumference of 25.13 miles.
8pi, the circumference is 2pi multiply by radius
The circumference is 25.1