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## Main Question or Discussion Point

**PONCELET-STEINER Theorem???**

Hi everyone,

A friend of mine asked me if i knew of any place where he could find the proof to the Poncelet-Steiner Theorem, so since i knew of none, i thought someone here must know.

The theorem's statement is as follows:

__All Euclidean geometric constructions can be carried out with a straightedge alone if, in addition, one is given the radius of a single circle and its center.__So, if anyone could tell me a book, a website or something along those lines, where i could find the proof to that theorem i would appreciate it.

All the best!