No, they are not the same, but relate to each other. The medial right triangle of this "golden" pyramid, demonstrated the Pythagorean theorem through the relationship of the two. Ancient Greek mathematicians first studied the golden ratio because of its frequent appearance in geometry. The division of a line into "extreme and mean ratio" (the golden section) is important in the geometry of regular pentagrams and pentagons. The Greeks usually attributed discovery of this concept to Pythagoras.
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