Equiangular is a 11 letter English word. It's valid Words with friends word worth 26 points.
You can make 557 anagrams from letters in equiangular (aaegilnqruu).
First recorded in 1650-60; equi- + angular
Euclid does not use the word regular, but he describes the polygons in question as equiangular and equilateral.
The proof of Euclid's axiom looked for in the properties of the equiangular Spiral.
It opens with a definition of a regular polygon as one that is both equilateral and equiangular.
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