Larry Stroud | September 2, 2010
Thales Theorem is the basis for a simple method for locating the center of a circle using a carpenter’s square as follows: 1. Place the corner of the carpenter’s square anywhere on the circumference and position the “legs” of the square so they both intersect the circumference. Mark the points on the circumference where the [...]
Larry Stroud | July 16, 2010
Many students know that 22/7 is a common fraction that is approximately equal to PI and is accurate to 2 decimal places. However, a better common fraction approximation to PI is 355/113 which is accurate to 6 decimal places. This fraction also easy to remember by writing the digits 113355 and dividing the last 3 [...]
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