Description
Here’s an old-school method for finding the (physical) circumference of a circle using a straightedge and ruler. (Perhaps you are laying out a length to cut a metal banding for a wheel).
Rankine’s Approximation
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Here’s an old-school method for finding the (physical) circumference of a circle using a straightedge and ruler. (Perhaps you are laying out a length to cut a metal banding for a wheel).
