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Geometry

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Croatian Mathematical Olympiad 2010 Problem 1-2Croatian Mathematical Olympiad 2010GeometryOptimizationRight triangle
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 2-3Croatian Mathematical Olympiad 2011AnglesCircleGeometryPerpendicularity
Croatian Mathematical Olympiad 2011 Problem I-3Croatian Mathematical Olympiad 2011AnglesGeometryIncircleTriangle
Croatian Mathematical Olympiad 2011 Problem M-2Croatian Mathematical Olympiad 2011CombinatoricsGeometryOptimizationPolygon
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 I-3Croatian Mathematical Olympiad 2012CircleCollinearGeometryTrapezoid
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 2013 Problem M-3Croatian Mathematical Olympiad 2013CircumcircleGeometryIncircleRight triangle
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 1-2Croatian Mathematical Olympiad 2015GeometryGraphsOptimization
Croatian Mathematical Olympiad 2015 Problem 1-3Croatian Mathematical Olympiad 2015CircleCollinearGeometry
Croatian Mathematical Olympiad 2015 Problem 2-3Croatian Mathematical Olympiad 2015CircumcircleGeometryTangentTriangle
Croatian Mathematical Olympiad 2015 Problem I-3Croatian Mathematical Olympiad 2015AnglesGeometryQuad
Croatian Mathematical Olympiad 2015 Problem M-3Croatian Mathematical Olympiad 2015GeometryIncircleTangentTriangle
Croatian Mathematical Olympiad 2016 Problem 1-2Croatian Mathematical Olympiad 2016CollinearCombinatoricsGeometry
Croatian Mathematical Olympiad 2016 Problem 1-3Croatian Mathematical Olympiad 2016CircleConcyclicCyclic quadGeometryTangent
Croatian Mathematical Olympiad 2016 Problem 2-3Croatian Mathematical Olympiad 2016CircleGeometryIncircleTriangle
Croatian Mathematical Olympiad 2016 Problem I-2Croatian Mathematical Olympiad 2016ColoringCombinatoricsGeometryGraphs
Croatian Mathematical Olympiad 2016 Problem I-3Croatian Mathematical Olympiad 2016AnglesCircleGeometryTriangle
Croatian Mathematical Olympiad 2016 Problem M-3Croatian Mathematical Olympiad 2016AreaCircleCyclic quadGeometry
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 1-3Croatian Mathematical Olympiad 2018CircleCircumcircleGeometryTangent
Croatian Mathematical Olympiad 2018 Problem 2-2Croatian Mathematical Olympiad 2018CombinatoricsGeometryGraphs
Croatian Mathematical Olympiad 2018 Problem 2-3Croatian Mathematical Olympiad 2018CircleCircumcircleGeometryIncircleTriangle
Croatian Mathematical Olympiad 2018 Problem I-3Croatian Mathematical Olympiad 2018CircleCircumcircleGeometryIncircleTriangle
Croatian Mathematical Olympiad 2018 Problem M-3Croatian Mathematical Olympiad 2018CircumcircleGeometryTrapezoid
Croatian Mathematical Olympiad 2019 Problem 1-1Croatian Mathematical Olympiad 2019GeometryOptimization
Croatian Mathematical Olympiad 2019 Problem 1-3Croatian Mathematical Olympiad 2019ConcyclicGeometryIsoscelesTriangle
Croatian Mathematical Olympiad 2019 Problem 2-2Croatian Mathematical Olympiad 2019CombinatoricsGeometryOptimization
Croatian Mathematical Olympiad 2019 Problem 2-3Croatian Mathematical Olympiad 2019Cyclic quadGeometryOptimizationQuad
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