პტოლემეს თეორემა (Georgian Wikipedia)

Analysis of information sources in references of the Wikipedia article "პტოლემეს თეორემა" in Georgian language version.

refsWebsite

Global rank Georgian rank

6,602^nd place

265^th place

clarku.edu

aleph0.clarku.edu

Proposition 8 in Book XIII of Euclid's Elements proves by similar triangles the same result: namely that length a (the side of the pentagon) divides length b (joining alternate vertices of the pentagon) in "mean and extreme ratio".