The circumference of a circle is worked out by Pi x Diameter. To do this accurately the Pi button on a scientific calculator should be used. If you don't have one of these take Pi to be 3.14.
The answer would be Pix8.5
This works out to be 26.70353756 inches and should probably be rounded to 3 significant figures making it 26.7 inches.
The circumference of a 3.5 inch circle is: 10.996 inches.
The radius of a circle with a 14.5 inch circumference is 2.15 inches
The circumference of a 27-inch circle is: 84.8 inches.
The circumference of a 21-inch circle is: 66 inches.(C = d x Pi).
The circumference of a 2.6-inch circle is: 8.17 inches.(C = d x Pi)
The circumference of a 7-inch circle is: 21.99
The circumference of a 6-inch circle is: 18.85 inches.
The circumference of a 46-inch circle is: 144.5 inches.
The circumference of a 6-inch circle is: 18.85 inches.
The circumference of a 3.5 inch circle is: 10.996 inches.
The circumference of a 42-inch diameter circle is: ~131.95 inches.
The circumference of a 10 inch circle is: 31.416 inches(circumference = diameter x pi).
The circumference of a six-inch diameter circle is: 18.8 inches.
The circumference of 9 inch diameter circle is about 28.27 inches.
The circumference of a circle with a 20.5 inch diameter is 64.4 inches.
The circumference of a circle with a 39 inch diameter is 122.52 inches.
The radius of a circle with a 14.5 inch circumference is 2.15 inches