If a circle circumference is 9.5 inches the diameter is 3.024 inches.
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Remember the circle eq'n
C = pi d
Algebraically rearrange
d = C / pi
Hence
C = 19/3.141952....
C = 6.047887837... inches.
The formula to find the diameter of a circle based on the circumference is: diameter = circumference / π. In this case, if the circumference is 19 inches, the diameter would be 19 / π ≈ 6.05 inches.
If a circle is 19 inches in circumference the diameter is: 6.048 inches (circumference divided by Pi = diameter).
19 centimeters is equal to approximately 7.48 inches.
A PENNY coin has a Diameter of exactly 1&3/16ths Inches which is same as 1.1875 inch. The foregoing applies to a British penny. A US 1 cent piece is 19.05mm (.75 inches) in diameter, 1.55mm thick, and weighs 2.5 grams
19
19 millimeters is 0.75 (3/4) inches.
It is 19/100 of an inch