706.86 square inches
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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
The size of the penny is very important. The weight of it is 2.500 grams exactly. The diameter is 0.750 inches or 19.05 mm or 1.905 centimeters.
36 inches = 1 yard so 108 inches = 108/36 = 3 yards. Simple.
The approximate volume of a sphere with a diameter of 8 inches is 268 cubic inches.
The diameter is essentially twice the radius, so therefore a circle with a radius of 54 inches has a diameter of 108 inches.
706.86 square inches
The approximate area of a circle with a 12-inch diameter is: 113 square inches.
Divide the circumference (38") by Pi (about 3.1416) to get the diameter in inches.
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Circumference will equal diameter times pi. Multiply the diameter by 3.14
Approximately 50.265 square inches.
Circumference of circle in inches: 108*pi = 399 inches to the nearest whole number
Volume = 4/3*pi*143 = about 11494 cubic inches
The circumference is Pi multiplied by the diameter. In this case, the circumference is 18Pi. We can only approximate this since Pi is an irrational number. The circumference is about 56.55 inches.