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The number 9 is the last number in a base 10 system which is the last and limit of all that is. Nine is a number which has many interesting qualities that other numbers do not have and has been used to hold a hidden...
No website hoops. On the front page. Math rules for algebra. Algebra and equations for beginners. Complete lessons.
Geometry problems involving circles inscribed in regular hexagons and regular hexagons inscribed in circles can be solved the same way as problems involving circles and equilateral triangles. The key geometric...
Strange Shape Names: Obsure and unusual geometric shapes and names of shapes, 17 weird shapes you probably don't know...
Early Proofs of the Pythagorean Theorem By Leonardo Da Vinci, Ptolemy, Thabit ibn Qurra, and Garfield
Though we all know how to use the Pythagorean Theorem, few know of the many proofs that accompany this theorem. Many of them have ancient and surprising origins.