The circumference of a circle with a radius of 8 meters is: 50.27 meters (r x 2 x Pi = circumference).
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The circumference of a circle with an 8 cm radius is: 50.27 cm
50.26548245743669
radius of a circle = 4 inchesFormulas:Circumference of a circle = 2π radiusradius =circumference/2π=8π/2π=8/2= 4
You need to specify what the '8 inches' represents!!! Is it radius, diameter, or all the way round (circumference).
The circumference of a circle is given by 2 X pi X radius Thus, the circumference of an 8 cm circle is 2 X 3.14 X 8 = 50.24 cm