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Croatian Mathematical Olympiad 2010 Problem 1-3Croatian Mathematical Olympiad 2010AnglesGeometryTriangle
Croatian Mathematical Olympiad 2010 Problem 2-3Croatian Mathematical Olympiad 2010CircumcircleGeometryTriangle
Croatian Mathematical Olympiad 2010 Problem I-3Croatian Mathematical Olympiad 2010CircleCircumcircleGeometryTriangle
Croatian Mathematical Olympiad 2010 Problem M-3Croatian Mathematical Olympiad 2010AnglesGeometryTriangle
Croatian Mathematical Olympiad 2011 Problem 1-3Croatian Mathematical Olympiad 2011CentroidCircumcircleGeometryTriangle
Croatian Mathematical Olympiad 2011 Problem I-3Croatian Mathematical Olympiad 2011AnglesGeometryIncircleTriangle
Croatian Mathematical Olympiad 2011 Problem M-3Croatian Mathematical Olympiad 2011AnglesCircumcircleGeometryInequalitiesTriangle
Croatian Mathematical Olympiad 2012 Problem 1-3Croatian Mathematical Olympiad 2012CircleCyclic quadGeometryTriangle
Croatian Mathematical Olympiad 2012 Problem 2-3Croatian Mathematical Olympiad 2012Cyclic quadGeometryIncircleTriangle
Croatian Mathematical Olympiad 2012 Problem M-3Croatian Mathematical Olympiad 2012CircumcircleGeometryOrthocenterSimilarityTriangle
Croatian Mathematical Olympiad 2013 Problem 1-3Croatian Mathematical Olympiad 2013CircumcircleGeometryOrthocenterParallelogramTriangle
Croatian Mathematical Olympiad 2013 Problem 2-3Croatian Mathematical Olympiad 2013AnglesGeometryTriangle
Croatian Mathematical Olympiad 2013 Problem I-3Croatian Mathematical Olympiad 2013CircumcircleGeometryIsoscelesPerpendicularityTriangle
Croatian Mathematical Olympiad 2014 Problem 1-3Croatian Mathematical Olympiad 2014AnglesGeometryTriangle
Croatian Mathematical Olympiad 2014 Problem 2-3Croatian Mathematical Olympiad 2014CircleCircumcircleGeometryIncircleTriangle
Croatian Mathematical Olympiad 2014 Problem I-3Croatian Mathematical Olympiad 2014CircleCircumcircleConcyclicGeometryTriangle
Croatian Mathematical Olympiad 2014 Problem M-3Croatian Mathematical Olympiad 2014CircleCircumcircleConcyclicGeometryTriangle
Croatian Mathematical Olympiad 2015 Problem 2-3Croatian Mathematical Olympiad 2015CircumcircleGeometryTangentTriangle
Croatian Mathematical Olympiad 2015 Problem M-3Croatian Mathematical Olympiad 2015GeometryIncircleTangentTriangle
Croatian Mathematical Olympiad 2016 Problem 2-3Croatian Mathematical Olympiad 2016CircleGeometryIncircleTriangle
Croatian Mathematical Olympiad 2016 Problem I-3Croatian Mathematical Olympiad 2016AnglesCircleGeometryTriangle
Croatian Mathematical Olympiad 2017 Problem 1-3Croatian Mathematical Olympiad 2017AnglesCircumcircleGeometryIncircleTriangle
Croatian Mathematical Olympiad 2017 Problem 2-3Croatian Mathematical Olympiad 2017CircumcircleGeometryInequalitiesTriangle
Croatian Mathematical Olympiad 2017 Problem I-3Croatian Mathematical Olympiad 2017CircumcircleGeometryIncircleIsoscelesTriangle
Croatian Mathematical Olympiad 2017 Problem M-3Croatian Mathematical Olympiad 2017CircumcircleCollinearGeometryTriangle
Croatian Mathematical Olympiad 2018 Problem 2-3Croatian Mathematical Olympiad 2018CircleCircumcircleGeometryIncircleTriangle
Croatian Mathematical Olympiad 2018 Problem I-3Croatian Mathematical Olympiad 2018CircleCircumcircleGeometryIncircleTriangle
Croatian Mathematical Olympiad 2019 Problem 1-3Croatian Mathematical Olympiad 2019ConcyclicGeometryIsoscelesTriangle
Croatian Mathematical Olympiad 2019 Problem I-3Croatian Mathematical Olympiad 2019CircleConcyclicGeometryTriangle
Croatian Mathematical Olympiad 2019 Problem M-3Croatian Mathematical Olympiad 2019Cyclic quadGeometryIncircleTangentTriangle
Croatian Mathematical Olympiad 2020 Problem 1-3Croatian Mathematical Olympiad 2020CircumcircleGeometryIncirclePerpendicularityTriangle
Croatian Mathematical Olympiad 2020 Problem 2-3Croatian Mathematical Olympiad 2020AnglesCircleGeometryPerpendicularityTriangle
Croatian Mathematical Olympiad 2020 Problem I-3Croatian Mathematical Olympiad 2020GeometryIncircleLengthsTriangle
Croatian Mathematical Olympiad 2020 Problem M-2Croatian Mathematical Olympiad 2020CombinatoricsCountingGeometryTriangle
Croatian Mathematical Olympiad 2020 Problem M-3Croatian Mathematical Olympiad 2020CircleGeometryTangentTriangle
Croatian Mathematical Olympiad 2021 Problem 2-3Croatian Mathematical Olympiad 2021CircleCollinearGeometryPerpendicularityTriangle
Croatian Mathematical Olympiad 2022 Problem 1-3Croatian Mathematical Olympiad 2022CircleCircumcircleGeometryParallelogramTriangle
Croatian Mathematical Olympiad 2022 Problem 2-3Croatian Mathematical Olympiad 2022CircumcircleGeometryIncirclePerpendicularityTriangle
Croatian Mathematical Olympiad 2022 Problem I-3Croatian Mathematical Olympiad 2022AnglesCircleCircumcircleGeometryTriangle
Croatian Mathematical Olympiad 2023 Problem 2-3Croatian Mathematical Olympiad 2023CircleCollinearGeometryTriangle
Croatian Mathematical Olympiad 2023 Problem M-3Croatian Mathematical Olympiad 2023CentroidCircumcircleGeometryTriangle
Croatian Mathematical Olympiad 2024 Problem 1-3Croatian Mathematical Olympiad 2024CircleCircumcircleGeometryTriangle
Croatian Mathematical Olympiad 2024 Problem I-3Croatian Mathematical Olympiad 2024CircleGeometryPerpendicularityTriangle
Croatian Mathematical Olympiad 2025 Problem 1-1Croatian Mathematical Olympiad 2025AnglesGeometryPerpendicularityTriangle
Croatian Mathematical Olympiad 2025 Problem 2-3Croatian Mathematical Olympiad 2025CircumcircleGeometryIncircleOrthocenterTriangle
International Mathematical Olympiad 1960 Problem 3International Mathematical Olympiad 1960GeometryRight triangleTriangleTrigonometry
International Mathematical Olympiad 1960 Problem 4International Mathematical Olympiad 1960ConstructionGeometryTriangle
International Mathematical Olympiad 1961 Problem 2International Mathematical Olympiad 1961AreaGeometryInequalitiesTriangle
International Mathematical Olympiad 1961 Problem 4International Mathematical Olympiad 1961GeometryInequalitiesTriangle
International Mathematical Olympiad 1961 Problem 5International Mathematical Olympiad 1961ConstructionGeometryTriangleTrigonometry