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Assuming that "it" refers to diameter, the radius is 7 cm and the circumference is 44.0 cm.
Circumference of the circle: 2*pi*7 = 44 cm rounded up to the nearest whole number
The radius of the circle is 7.
The circumference is about 43.98 inches. The circumference of a circle is diameter (radius x2) x pi (3.14).
circumference of a circle = 2*pi*radius or diameter*pi