d = 1.43 inches
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The diameter of a circle is found by dividing the circumference by pi (π). So, if the circumference of the circle is 4.5 inches, then the diameter would be 4.5 inches divided by pi (approximately 3.14), which is approximately 1.43 inches.
The circumference of a circle with a diameter of 45 inches is 141.37 inches.
The circumference of a circle can be calculated using the formula (C = \pi \times d), where (d) is the diameter. For a circle with a 45-inch diameter, the circumference would be (C = \pi \times 45 \approx 141.37) inches. Therefore, the circumference of a 45-inch diameter circle is approximately 141.37 inches.
37 45/64 inches.
141.37
The idea is to multiply the diameter by pi.