Just multiply the diameter by pi. 23 * 3.14 = 72.22.
72.22 inches is the circumference.
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A circle is a closed flat curve, all points of which are equally removed from the center
21.17
The formula for the circumference of a tree is Diameter * PI. If the circumference is known, then the diameter is equal to the circumference / PI. In this case, the diameter is equal to 5 foot 5.29 inches.
Tree trunk is a compound word
The circumference C of a circle with radius R is C = 2*pi*R pi = 3.1416... R = 18 Using a calculator: C = 113 inches This is the length of track of an HO model train laid out with eight curved sections to form a circle of radius 18 inches, such as around a christmas tree.
Can be both if it was a big tree feet but a small tree inches or even centimeters