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566 results
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Problem
Source
Tags
Croatian Mathematical Olympiad 2020 Problem I-2
Croatian Mathematical Olympiad 2020
Coloring
Combinatorics
Geometry
Graphs
Croatian Mathematical Olympiad 2020 Problem I-3
Croatian Mathematical Olympiad 2020
Geometry
Incircle
Lengths
Triangle
Croatian Mathematical Olympiad 2020 Problem M-2
Croatian Mathematical Olympiad 2020
Combinatorics
Counting
Geometry
Triangle
Croatian Mathematical Olympiad 2020 Problem M-3
Croatian Mathematical Olympiad 2020
Circle
Geometry
Tangent
Triangle
Croatian Mathematical Olympiad 2021 Problem 1-3
Croatian Mathematical Olympiad 2021
Circle
Geometry
Quad
Tangent
Croatian Mathematical Olympiad 2021 Problem 2-3
Croatian Mathematical Olympiad 2021
Circle
Collinear
Geometry
Perpendicularity
Triangle
Croatian Mathematical Olympiad 2021 Problem I-3
Croatian Mathematical Olympiad 2021
Circle
Concyclic
Geometry
Quad
Croatian Mathematical Olympiad 2021 Problem M-3
Croatian Mathematical Olympiad 2021
Circle
Geometry
Quad
Similarity
Croatian Mathematical Olympiad 2022 Problem 1-3
Croatian Mathematical Olympiad 2022
Circle
Circumcircle
Geometry
Parallelogram
Triangle
Croatian Mathematical Olympiad 2022 Problem 2-3
Croatian Mathematical Olympiad 2022
Circumcircle
Geometry
Incircle
Perpendicularity
Triangle
Croatian Mathematical Olympiad 2022 Problem I-3
Croatian Mathematical Olympiad 2022
Angles
Circle
Circumcircle
Geometry
Triangle
Croatian Mathematical Olympiad 2022 Problem M-3
Croatian Mathematical Olympiad 2022
Circumcircle
Collinear
Geometry
Parallelogram
Croatian Mathematical Olympiad 2023 Problem 1-3
Croatian Mathematical Olympiad 2023
Circumcircle
Geometry
Parallelogram
Polygon
Croatian Mathematical Olympiad 2023 Problem 2-3
Croatian Mathematical Olympiad 2023
Circle
Collinear
Geometry
Triangle
Croatian Mathematical Olympiad 2023 Problem I-3
Croatian Mathematical Olympiad 2023
Circumcircle
Collinear
Geometry
Quad
Tangent
Croatian Mathematical Olympiad 2023 Problem M-3
Croatian Mathematical Olympiad 2023
Centroid
Circumcircle
Geometry
Triangle
Croatian Mathematical Olympiad 2024 Problem 1-3
Croatian Mathematical Olympiad 2024
Circle
Circumcircle
Geometry
Triangle
Croatian Mathematical Olympiad 2024 Problem 2-3
Croatian Mathematical Olympiad 2024
Circle
Geometry
Tangent
Croatian Mathematical Olympiad 2024 Problem I-3
Croatian Mathematical Olympiad 2024
Circle
Geometry
Perpendicularity
Triangle
Croatian Mathematical Olympiad 2024 Problem M-3
Croatian Mathematical Olympiad 2024
Circle
Circumcircle
Geometry
Tangent
Croatian Mathematical Olympiad 2025 Problem 1-1
Croatian Mathematical Olympiad 2025
Angles
Geometry
Perpendicularity
Triangle
Croatian Mathematical Olympiad 2025 Problem 2-3
Croatian Mathematical Olympiad 2025
Circumcircle
Geometry
Incircle
Orthocenter
Triangle
Croatian Mathematical Olympiad 2025 Problem 3-2
Croatian Mathematical Olympiad 2025
Circumcircle
Cyclic quad
Geometry
Quad
International Mathematical Olympiad 1959 Problem 4
International Mathematical Olympiad 1959
Construction
Geometry
Right triangle
International Mathematical Olympiad 1959 Problem 5
International Mathematical Olympiad 1959
Circle
Circumcircle
Geometry
Square
International Mathematical Olympiad 1959 Problem 6
International Mathematical Olympiad 1959
Construction
Geometry
3D
Trapezoid
International Mathematical Olympiad 1960 Problem 3
International Mathematical Olympiad 1960
Geometry
Right triangle
Triangle
Trigonometry
International Mathematical Olympiad 1960 Problem 4
International Mathematical Olympiad 1960
Construction
Geometry
Triangle
International Mathematical Olympiad 1960 Problem 5
International Mathematical Olympiad 1960
Cube
Geometry
3D
International Mathematical Olympiad 1960 Problem 6
International Mathematical Olympiad 1960
Geometry
Optimization
3D
International Mathematical Olympiad 1960 Problem 7
International Mathematical Olympiad 1960
Angles
Geometry
Trapezoid
International Mathematical Olympiad 1961 Problem 2
International Mathematical Olympiad 1961
Area
Geometry
Inequalities
Triangle
International Mathematical Olympiad 1961 Problem 4
International Mathematical Olympiad 1961
Geometry
Inequalities
Triangle
International Mathematical Olympiad 1961 Problem 5
International Mathematical Olympiad 1961
Construction
Geometry
Triangle
Trigonometry
International Mathematical Olympiad 1961 Problem 6
International Mathematical Olympiad 1961
Centroid
Geometry
3D
International Mathematical Olympiad 1962 Problem 3
International Mathematical Olympiad 1962
Coord
Cube
Geometry
3D
International Mathematical Olympiad 1962 Problem 5
International Mathematical Olympiad 1962
Circle
Construction
Geometry
Incircle
Quad
International Mathematical Olympiad 1962 Problem 6
International Mathematical Olympiad 1962
Circumcircle
Geometry
Incircle
Isosceles
Triangle
International Mathematical Olympiad 1962 Problem 7
International Mathematical Olympiad 1962
Geometry
3D
Tangent
Tetrahedron
International Mathematical Olympiad 1963 Problem 2
International Mathematical Olympiad 1963
Angles
Geometry
3D
International Mathematical Olympiad 1963 Problem 3
International Mathematical Olympiad 1963
Angles
Geometry
Polygon
International Mathematical Olympiad 1964 Problem 3
International Mathematical Olympiad 1964
Circle
Geometry
Incircle
Tangent
Triangle
International Mathematical Olympiad 1964 Problem 5
International Mathematical Olympiad 1964
Coord
Geometry
Optimization
Perpendicularity
International Mathematical Olympiad 1965 Problem 3
International Mathematical Olympiad 1965
Geometry
3D
Tetrahedron
International Mathematical Olympiad 1965 Problem 5
International Mathematical Olympiad 1965
Geometry
Perpendicularity
Triangle
International Mathematical Olympiad 1965 Problem 6
International Mathematical Olympiad 1965
Geometry
Optimization
International Mathematical Olympiad 1966 Problem 2
International Mathematical Olympiad 1966
Geometry
Isosceles
Triangle
Trigonometry
International Mathematical Olympiad 1966 Problem 3
International Mathematical Olympiad 1966
Geometry
Optimization
3D
Tetrahedron
International Mathematical Olympiad 1966 Problem 6
International Mathematical Olympiad 1966
Area
Geometry
Optimization
Triangle
International Mathematical Olympiad 1967 Problem 1
International Mathematical Olympiad 1967
Circle
Geometry
Inequalities
Parallelogram
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