Assertion: circumference | /r/HasProperty | c
Facets:
Source sentences:
text: Let's write out the relationship mentioned above: the quotient of the circumference (C) divided by the diameter (D) is the constant number π.
text: Because we are given a radius, we must either calculate the circumference (C) using the expression in terms of the radius, or we must convert the radius to a diameter (twice the radius) and use the expression in terms of the diameter.
text: #"calculate the circumference (C) using the formula"#
text: A circle (black), which is measured by its circumference (C), diameter (D) in cyan, and radius (R) in red; its centre (O) is in magenta.
text: Circumference (C) is "the walk-around": C is about 3x diameter or 6x radius (adjust by 5% to be closer) ... for your example, radius (r) is C/6 or 3" (subtract 5% or 0.15 to get 2.85").