David Joyce's answer: Do you have the time to devote to a serious study of plane geometry? In spite of it often being called "elementary", it's not very elementary. Something that we all know, like the Pythagorean theorem, is not easy to prove rigorously. Yes, we've all seen various cut and paste...

Circle Theorems worksheets, questions and revision for GCSE Maths. All the revision you need in one place.

Math Education:Euclidean geometry, foundations - Interactive Mind Map

Introduction Euclid is a mathematician who contributed greatly to the field of geometry. In his book, Euclid’s Elements, he proposed many postulates as well as theorems that people still use today. The book is claimed to be the most successful mathematical textbook as it survived for more than 23 centuries.

Geometry problem 824: Desargues theorem, perspective triangles

Theorems and Postulates for Geometry This is a partial listing of the more popular theorems, postulates and properties needed when working with Euclidean proofs. You need to have a thorough understanding of these items. General: Reflexive Property A quantity is congruent (equal) to itself. a = a Symmetric Property If a = b, then b […]