Geometry

Geometry notes for Mathematics Olympiad, IOQM, RMO, INMO. Problem set, Solutions, Questions, Answers, Hints, Walkthroughs, Discussions.

Practice problems, Problem Set, Geometry, Questions, Answers, Problems, Solutions, Discussions, Walkthroughs, Hints, IOQM, RMO, INMO, Study material, Resources, Olympiad Geometry Notes, Olympiad Geometry Problems
Lecture notes on Geometry (for Math Olympiad — IOQM, RMO, INMO)

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  • Triangles
  • Congruence and similarity of triangles
  • Parallelograms
  • Pythagoras’ theorem
  • Pythagorean triples
  • Triangle centers
    • Centroid
    • Circumcenter
    • Incenter
    • Orthocenter
    • Miscellaneous
  • Concurrency and Collinearity
  • Central lines
  • Circles
  • Power of a point and radical axis
  • Cyclic quadrilaterals
  • Using complex numbers

Lecture notes for Math Olympiad (IOQM, RMO, INMO)

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Topics Links
Algebra
Combinatorics
Number Theory
INMO Training Camp 2025, MP
IMO Training Camp
MOPSS

These notes

  • may be useful
    • to the students who would like to have a look at some of the past RMO problems, in order to have an idea of the notions/topics involved, and/or to have a glimpse before getting started, or just curious about it,
    • to the students, who would like to prepare and would like to have the relevant questions organized across the topics and sub-topics,
  • also aim

References/Resources