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circumference = pi*46 cm
The diameter of a circle with a circumference of 46 inches is approximately 14.6 inches.
The formula is: circumference = 2 x pi x radius. As always when you use a formula, plug in the values you know and solve for the ones you don't. So plug in 46 for the circumference and solve for the radius. (You'll get that the radius = (circumference)/(2pi)).
Circumference = 2pi*r Circumference = 86pi
circumference of the tire.