Plane geometry. I. Abridged and applied. II. College preparatory This book, "Plane geometry. I. Abridged and applied. II. College preparatory", by Matilda Auerbach, is a replication of a book originally published before 1920. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.