Search - Školjka

Problem	Source	Tags
Grade 10 2026 Problem 5	Grade 10 2026	Circumcircle Geometry Orthocenter Triangle
Grade 10 2021 Problem 3	Grade 10 2021	Area Geometry Optimization Square Triangle
Grade 10 2021 Problem 6	Grade 10 2021	Geometry Incircle Lengths Triangle
Grade 10 2023 Problem 4	Grade 10 2023	Geometry Orthocenter Right triangle Triangle
Grade 10 2026 Problem 3	Grade 10 2026	Geometry Right triangle Triangle
Grade 10 2015 Problem 4	Grade 10 2015	Circumcircle Geometry Orthocenter Triangle
Grade 10 2017 Problem 4	Grade 10 2017	Circumcircle Concyclic Geometry Triangle
Grade 10 2018 Problem 2	Grade 10 2018	Area Geometry Optimization Square Triangle
Grade 10 2020 Problem 4	Grade 10 2020	Angles Centroid Geometry Triangle
Grade 10 2021 Problem 4	Grade 10 2021	Circle Circumcircle Geometry Incircle Triangle
Grade 10 2025 Problem 4	Grade 10 2025	Geometry Perpendicularity Right triangle Triangle
Grade 11 1993 Problem 3	Grade 11 1993	Angles Equilateral Geometry Perpendicularity Triangle
Grade 11 1993 Problem 4	Grade 11 1993	Angles Geometry Inequalities Triangle Trigonometry
Grade 11 1995 Problem 2	Grade 11 1995	Circle Geometry Triangle Trigonometry
Grade 11 1996 Problem 2	Grade 11 1996	Geometry Inequalities Triangle
Grade 11 1997 Problem 4	Grade 11 1997	Geometry Parallelogram Similarity Triangle
Grade 11 1998 Problem 1	Grade 11 1998	Geometry Triangle Trigonometry
Grade 11 1998 Problem 3	Grade 11 1998	Equilateral Geometry Triangle
Grade 11 1999 Problem 1	Grade 11 1999	Angles Area Geometry Triangle
Grade 11 1999 Problem 3	Grade 11 1999	Circle Geometry Optimization Triangle
Grade 11 2000 Problem 1	Grade 11 2000	Geometry Perpendicularity Triangle
Grade 11 2001 Problem 2	Grade 11 2001	Angles Geometry Triangle Trigonometry
Grade 11 2002 Problem 1	Grade 11 2002	Circumcircle Geometry Isosceles Triangle
Grade 11 2003 Problem 1	Grade 11 2003	Angles Geometry Triangle Trigonometry
Grade 11 2004 Problem 2	Grade 11 2004	Geometry Inequalities Triangle Trigonometry
Grade 11 2005 Problem 2	Grade 11 2005	Geometry Incircle Tangent Triangle
Grade 11 2006 Problem 1	Grade 11 2006	Angles Geometry Triangle Trigonometry
Grade 11 2006 Problem 2	Grade 11 2006	Geometry Isosceles Perpendicularity Triangle
Grade 11 2007 Problem 2	Grade 11 2007	Angles Circle Geometry Triangle
Grade 11 2007 Problem 3	Grade 11 2007	Circumcircle Geometry Orthocenter Triangle
Grade 11 2008 Problem 1	Grade 11 2008	Angles Geometry Triangle
Grade 11 2009 Problem 2	Grade 11 2009	Area Geometry Triangle
Grade 11 2009 Problem 3	Grade 11 2009	Circumcircle Geometry Inequalities Triangle
Grade 11 2010 Problem 1	Grade 11 2010	Circumcircle Geometry Triangle Trigonometry
Grade 11 2010 Problem 3	Grade 11 2010	Circumcircle Geometry Perpendicularity Triangle
Grade 11 2011 Problem 3	Grade 11 2011	Angles Geometry Isosceles Triangle
Grade 11 2012 Problem 2	Grade 11 2012	Angles Geometry Lengths Right triangle Triangle
Grade 11 2013 Problem 4	Grade 11 2013	Circle Geometry Orthocenter Triangle
Grade 11 2014 Problem 2	Grade 11 2014	Angles Geometry Lengths Triangle
Grade 11 2015 Problem 1	Grade 11 2015	Angles Geometry Triangle Trigonometry
Grade 11 2015 Problem 4	Grade 11 2015	Circle Concyclic Geometry Triangle
Grade 11 2016 Problem 4	Grade 11 2016	Circumcircle Cyclic quad Geometry Orthocenter Triangle
Grade 11 2017 Problem 4	Grade 11 2017	Circumcircle Geometry Orthocenter Triangle
Grade 11 2018 Problem 4	Grade 11 2018	Circumcircle Equilateral Geometry Isosceles Triangle
Grade 11 2019 Problem 1	Grade 11 2019	Geometry Triangle Trigonometry
Grade 11 2019 Problem 5	Grade 11 2019	Circumcircle Geometry Triangle
Grade 11 2020 Problem 3	Grade 11 2020	Angles Geometry Triangle
Grade 11 2021 Problem 5	Grade 11 2021	Geometry Triangle
Grade 11 2022 Problem 3	Grade 11 2022	Area Circumcircle Geometry Inequalities Triangle
Grade 11 2023 Problem 1	Grade 11 2023	Counting Geometry Log Triangle