circumference = 2 * pi * r ----> pi is a constant
in this case
circumference = 2 * 3.142 * 10 ------> radius is 1/2 of a diameter
So,
circumference of this circle is 62.84 inches
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Circumference = 24*pi = 75.398 inches to 3 dp
Circumference of a circle = pi*diameter Circumference = 50.26548246 or 50 to the nearest inch
The circumference of a 10-inch diameter circle is: 31.42 inches.
A circumference of 66.76 inches.
Circumference = 37.7 inches Diameter = 12 inches