Cornucopia of Quadrilaterals

Collects and organises hundreds of beautiful and surprising results about four-sided figures. The book contains hundreds of challenging four-sided problems. Instructors of number theory, combinatorics, analysis, and geometry will find examples and problems to enrich their courses.

Colecteaza si organizeaza sute de rezultate frumoase si surprinzatoare despre figuri cu patru fete. Cartea contine sute de probleme cu patru laturi provocatoare.