It is pi*42 = 131.9 inches approx.
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The circumference of a 42-inch diameter circle is: ~131.95 inches.
Diameter of circle: 132/pi = 42 inches rounded to the nearest whole number
The circumference of a circle is calculated using the formula C = π*d, where C is the circumference, π is a constant approximately equal to 3.14159, and d is the diameter of the circle. In this case, the diameter is 84 inches. Plugging this into the formula, we get C = 3.14159 * 84 = 263.89356 inches. Therefore, the circumference of a circle with an 84-inch diameter is approximately 263.89 inches.
The radius of a circle with a circumference of 42 meters is about 6.685 meters.
Area = pi*42 = 50.265 square inches to 3 decimal places