The answer will depend on what aspect of the circle is 54 inches: its radius or diameter.
Circumference = pi*d = 169.65 inches (to 2 dp)
A circle with a radius of 6 inches has a circumference of 37.7 inches.
The circumference of a circle with a diameter of 45 inches is 141.37 inches.
A circle with a radius of 21 inches has a circumference of 131.95 inches.
The radius of a circle with a circumference of 272.2 inches is 43.3 inches.
Diameter = 54/pi = 17.18873385 or about 17 inches
Circumference = pi*d = 169.65 inches (to 2 dp)
It depends on what you mean by a certain size circle. If the certain size is the diameter, then the answer is 54 inches. If the certain size is the radius, then the answer is 108 inches. If the certain size is the circumference, then the answer is 54 / 3.14159 or about 17.19 inches
If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x pi = circumference).
A circle with a radius of 6 inches has a circumference of 37.7 inches.
The circumference of a circle of 18 inches in diameter is about 56.55 inches.
a circle with circumference of 25.56 inches.
The circumference of a 54 foot circle is: 169.6 feet.(C = d x Pi)
A circle with a radius of 72 inches has a circumference of 452.39 inches.
The circumference of a circle with a radius of 4.246 inches is about 26.68 inches.
If the circumference of a circle is 62.8 inches the diameter is: 20 inches.
The circumference of a circle with a radius of 10 inches is about 62.83 inches.