Search - Školjka

Problem	Source	Tags
International Mathematical Olympiad 1991 Problem 5	International Mathematical Olympiad 1991	Angles Geometry Inequalities Triangle
International Mathematical Olympiad 1992 Problem 4	International Mathematical Olympiad 1992	Circle Geometry Incircle Tangent Triangle
International Mathematical Olympiad 1993 Problem 2	International Mathematical Olympiad 1993	Angles Circumcircle Geometry Tangent Triangle
International Mathematical Olympiad 1993 Problem 4	International Mathematical Olympiad 1993	Geometry Inequalities Optimization Triangle
International Mathematical Olympiad 1994 Problem 2	International Mathematical Olympiad 1994	Collinear Geometry Isosceles Perpendicularity
International Mathematical Olympiad 1995 Problem 1	International Mathematical Olympiad 1995	Circle Collinear Concyclic Geometry
International Mathematical Olympiad 1995 Problem 3	International Mathematical Olympiad 1995	Area Construction Geometry Triangle
International Mathematical Olympiad 1995 Problem 5	International Mathematical Olympiad 1995	Angles Geometry Inequalities Optimization Polygon
International Mathematical Olympiad 1996 Problem 2	International Mathematical Olympiad 1996	Angles Collinear Geometry Incircle Triangle
International Mathematical Olympiad 1996 Problem 5	International Mathematical Olympiad 1996	Circumcircle Geometry Inequalities Polygon
International Mathematical Olympiad 1997 Problem 1	International Mathematical Olympiad 1997	Area Coloring Coord Geometry Parity
International Mathematical Olympiad 1997 Problem 2	International Mathematical Olympiad 1997	Angles Circumcircle Geometry Lengths Triangle
International Mathematical Olympiad 1998 Problem 1	International Mathematical Olympiad 1998	Area Cyclic quad Geometry Perpendicularity Quad
International Mathematical Olympiad 1998 Problem 5	International Mathematical Olympiad 1998	Angles Geometry Incircle Triangle
International Mathematical Olympiad 1999 Problem 1	International Mathematical Olympiad 1999	Geometry Optimization Perpendicularity
International Mathematical Olympiad 1999 Problem 5	International Mathematical Olympiad 1999	Circle Geometry Tangent
International Mathematical Olympiad 2000 Problem 1	International Mathematical Olympiad 2000	Circle Collinear Geometry Tangent
International Mathematical Olympiad 2000 Problem 6	International Mathematical Olympiad 2000	Construction Geometry Incircle Triangle
International Mathematical Olympiad 2001 Problem 1	International Mathematical Olympiad 2001	Angles Circumcircle Geometry Triangle
International Mathematical Olympiad 2001 Problem 5	International Mathematical Olympiad 2001	Angles Geometry Triangle
International Mathematical Olympiad 2002 Problem 2	International Mathematical Olympiad 2002	Angles Circle Geometry Incircle Perpendicularity
International Mathematical Olympiad 2002 Problem 6	International Mathematical Olympiad 2002	Circle Geometry Inequalities Optimization
International Mathematical Olympiad 2003 Problem 3	International Mathematical Olympiad 2003	Geometry Polygon
International Mathematical Olympiad 2003 Problem 4	International Mathematical Olympiad 2003	Angles Cyclic quad Geometry Perpendicularity
International Mathematical Olympiad 2004 Problem 1	International Mathematical Olympiad 2004	Angles Circle Circumcircle Geometry Triangle
International Mathematical Olympiad 2004 Problem 5	International Mathematical Olympiad 2004	Angles Cyclic quad Geometry Quad
International Mathematical Olympiad 2005 Problem 1	International Mathematical Olympiad 2005	Concyclic Equilateral Geometry Triangle
International Mathematical Olympiad 2005 Problem 5	International Mathematical Olympiad 2005	Circumcircle Geometry Quad
International Mathematical Olympiad 2006 Problem 1	International Mathematical Olympiad 2006	Angles Geometry Optimization Triangle
International Mathematical Olympiad 2006 Problem 6	International Mathematical Olympiad 2006	Area Geometry Inequalities Optimization Polygon
International Mathematical Olympiad 2007 Problem 2	International Mathematical Olympiad 2007	Angles Circle Cyclic quad Geometry Parallelogram
International Mathematical Olympiad 2007 Problem 4	International Mathematical Olympiad 2007	Area Circumcircle Geometry Perpendicularity Triangle
International Mathematical Olympiad 2008 Problem 1	International Mathematical Olympiad 2008	Circle Concyclic Geometry Orthocenter Triangle
International Mathematical Olympiad 2008 Problem 6	International Mathematical Olympiad 2008	Circle Geometry Incircle Quad Tangent
International Mathematical Olympiad 2009 Problem 2	International Mathematical Olympiad 2009	Circle Circumcircle Geometry Tangent Triangle
International Mathematical Olympiad 2009 Problem 4	International Mathematical Olympiad 2009	Angles Geometry Incircle Isosceles Triangle
International Mathematical Olympiad 2010 Problem 2	International Mathematical Olympiad 2010	Angles Circumcircle Geometry Incircle Triangle
International Mathematical Olympiad 2010 Problem 4	International Mathematical Olympiad 2010	Circumcircle Geometry Lengths Tangent Triangle
International Mathematical Olympiad 2011 Problem 2	International Mathematical Olympiad 2011	Collinear Construction Geometry
International Mathematical Olympiad 2011 Problem 6	International Mathematical Olympiad 2011	Circumcircle Geometry Tangent Triangle
International Mathematical Olympiad 2012 Problem 1	International Mathematical Olympiad 2012	Circle Geometry Tangent Triangle
International Mathematical Olympiad 2012 Problem 5	International Mathematical Olympiad 2012	Geometry Perpendicularity Right triangle Triangle
International Mathematical Olympiad 2013 Problem 2	International Mathematical Olympiad 2013	Coloring Combinatorics Geometry
International Mathematical Olympiad 2013 Problem 3	International Mathematical Olympiad 2013	Circumcircle Geometry Tangent Triangle
International Mathematical Olympiad 2013 Problem 4	International Mathematical Olympiad 2013	Circle Collinear Geometry Orthocenter Triangle
International Mathematical Olympiad 2014 Problem 3	International Mathematical Olympiad 2014	Circle Circumcircle Geometry Quad Tangent
International Mathematical Olympiad 2014 Problem 4	International Mathematical Olympiad 2014	Angles Circumcircle Geometry Triangle
International Mathematical Olympiad 2014 Problem 6	International Mathematical Olympiad 2014	Coloring Geometry Optimization
International Mathematical Olympiad 2015 Problem 1	International Mathematical Olympiad 2015	Circle Construction Geometry
International Mathematical Olympiad 2015 Problem 3	International Mathematical Olympiad 2015	Circle Circumcircle Geometry Orthocenter Triangle