d = 9.55 cm
circumference = diameter X pi pi = 3.1416 circumference = 30cm X 3.1416 = 94 cm
30/pi cm
Diameter of a circle = circumference/pi
60cm
The circumference of a 13.5 diameter circle is: 42.41(diameter x pi = circumference).
If a circle has a diameter of 19, the circumference is: 59.7 (diameter x Pi = circumference)
The circumference of any circle is (pi) x (its diameter). If diameter = 1 then Circumference = pi .
If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x pi = circumference).
Pi is, by definition, the ratio of a circle's circumference to its diameter. It follows that the circumference of any circle is pi times its diameter.
A circle with a circumference of 11.25 has a diameter of: 3.581
If the diameter of a circle is 9 the circumference is: 28.3
If a circle has a diameter of 5 the circumference is: 31.4