Školjka
Archive
Problems
Register
Circle
×
Log in
☰
Search
Circle
×
Search
All sources
International Competitions
-- International Mathematical Olympiad
-- Middle European Mathematical Olympiad
Local Competitions
-- Croatian Competitions
-- -- Croatian Mathematical Olympiad
-- -- Croatian National Competitions
-- -- -- Grade 9
-- -- -- Grade 10
-- -- -- Grade 11
-- -- -- Grade 12
-- -- Croatian County-Level Competitions
-- -- -- Grade 9
-- -- -- Grade 10
-- -- -- Grade 11
-- -- -- Grade 12
-- -- Croatian School-Level Competitions
-- -- -- Grade 9
-- -- -- Grade 10
-- -- -- Grade 11
-- -- -- Grade 12
All years
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1979
1978
1977
1976
1975
1974
1973
1972
1971
1970
1969
1968
1967
1966
1965
1964
1963
1962
1961
1960
1959
155 results
❏
▤
Problem
Source
Tags
Grade 10 2001 Problem 2
Grade 10 2001
Circle
Geometry
Tangent
Triangle
Grade 10 2006 Problem 3
Grade 10 2006
Circle
Circumcircle
Geometry
Tangent
Grade 10 2007 Problem 2
Grade 10 2007
Circle
Geometry
Perpendicularity
Triangle
Grade 10 2012 Problem 3
Grade 10 2012
Circle
Equilateral
Geometry
Tangent
Triangle
Grade 10 2013 Problem 4
Grade 10 2013
Circle
Concyclic
Geometry
Trapezoid
Grade 10 2014 Problem 4
Grade 10 2014
Circle
Geometry
Tangent
Grade 10 2015 Problem 3
Grade 10 2015
Circle
Cyclic quad
Geometry
Triangle
Grade 10 2016 Problem 3
Grade 10 2016
Circle
Geometry
Incircle
Tangent
Triangle
Grade 10 2017 Problem 4
Grade 10 2017
Circle
Geometry
Tangent
Triangle
Grade 10 2020 Problem 3
Grade 10 2020
Circle
Circumcircle
Geometry
Tangent
Triangle
Grade 10 2022 Problem 2
Grade 10 2022
Circle
Geometry
Tangent
Triangle
Grade 10 2023 Problem 4
Grade 10 2023
Circle
Circumcircle
Geometry
Tangent
Triangle
Grade 10 2020 Problem 2
Grade 10 2020
Circle
Geometry
Square
Tangent
Grade 10 2020 Problem 6
Grade 10 2020
Area
Circle
Geometry
Perpendicularity
Trapezoid
Grade 10 2024 Problem 5
Grade 10 2024
Circle
Coord
Geometry
Lengths
Grade 10 2025 Problem 6
Grade 10 2025
Circle
Geometry
Incircle
Right triangle
Grade 10 2016 Problem 4
Grade 10 2016
Circle
Geometry
Perpendicularity
Grade 10 2018 Problem 4
Grade 10 2018
Circle
Geometry
Tangent
Grade 10 2019 Problem 4
Grade 10 2019
Circle
Geometry
Lengths
Tangent
Grade 10 2021 Problem 4
Grade 10 2021
Circle
Circumcircle
Geometry
Incircle
Triangle
Grade 10 2022 Problem 4
Grade 10 2022
Angles
Circle
Geometry
Polygon
Grade 10 2024 Problem 4
Grade 10 2024
Circle
Geometry
Quad
Grade 10 2025 Problem 1
Grade 10 2025
Area
Circle
Geometry
Optimization
Grade 11 1993 Problem 2
Grade 11 1993
Circle
Geometry
Grade 11 1995 Problem 2
Grade 11 1995
Circle
Geometry
Triangle
Trigonometry
Grade 11 1999 Problem 3
Grade 11 1999
Circle
Geometry
Optimization
Triangle
Grade 11 2004 Problem 1
Grade 11 2004
Circle
Geometry
Optimization
Square
Grade 11 2006 Problem 3
Grade 11 2006
Circle
Circumcircle
Geometry
Tangent
Grade 11 2007 Problem 2
Grade 11 2007
Angles
Circle
Geometry
Triangle
Grade 11 2013 Problem 4
Grade 11 2013
Circle
Geometry
Orthocenter
Triangle
Grade 11 2014 Problem 5
Grade 11 2014
Circle
Combinatorics
Geometry
Grade 11 2015 Problem 4
Grade 11 2015
Circle
Concyclic
Geometry
Triangle
Grade 11 2026 Problem 4
Grade 11 2026
Circle
Geometry
Incircle
Triangle
Grade 11 2023 Problem 7
Grade 11 2023
Circle
Geometry
Parallelogram
Tangent
Grade 11 2024 Problem 6
Grade 11 2024
Area
Circle
Geometry
Tangent
Triangle
Grade 11 2026 Problem 3
Grade 11 2026
Circle
Geometry
3D
Grade 11 2016 Problem 4
Grade 11 2016
Circle
Geometry
Optimization
Tangent
Grade 11 2021 Problem 3
Grade 11 2021
Circle
Circumcircle
Geometry
Incircle
Triangle
Grade 12 1993 Problem 2
Grade 12 1993
Circle
Geometry
Grade 12 1997 Problem 2
Grade 12 1997
Circle
Coord
Geometry
Tangent
Grade 12 2000 Problem 2
Grade 12 2000
Circle
Geometry
Tangent
Triangle
Grade 12 2001 Problem 1
Grade 12 2001
Circle
Geometry
Tangent
Grade 12 2006 Problem 3
Grade 12 2006
Circle
Circumcircle
Geometry
Tangent
Grade 12 2013 Problem 4
Grade 12 2013
Circle
Geometry
Grade 12 2018 Problem 4
Grade 12 2018
Angles
Circle
Geometry
Triangle
Grade 12 2020 Problem 3
Grade 12 2020
Circle
Circumcircle
Geometry
Tangent
Triangle
Grade 12 2022 Problem 4
Grade 12 2022
Circle
Equilateral
Geometry
Tangent
Triangle
Grade 12 2026 Problem 2
Grade 12 2026
Circle
Circumcircle
Geometry
Right triangle
Grade 12 2022 Problem 4
Grade 12 2022
Circle
Coord
Geometry
Trigonometry
Grade 12 2019 Problem 2
Grade 12 2019
Area
Circle
Geometry
Seq
‹ Prev
1
2
3
4
Next ›