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Figure 22, Pentad (McDaniel/Crater)
Mounds AEG form a right
triangle equal to EAB.Triangle ADE forms an isosceles triangle. Note the
parallel lines, the parallelograms, and right triangle ABD. Distance ratios
are based on the square root of two and the square root of three
(Crater/Sirvent/ McDaniel 1998).The square root two triangle is the
only triangle that, when bisected, produces more triangles of the
same shape |