 # Geometry: Open Problems, High School, College, Tutoring Geometry: Open Problems Geometry problems from the gogeometry.com website awaiting submission of solutions. The ultimate goal may be to encourage mathematical thinking and problem-solving skills, and to foster a sense of community among those interested in geometry and mathematics more broadly. Geometry Problem 1502. Share Your Solution HereRight Triangle, Incircle, Inradius, Geometric Mean of 2 Inradii, Angle Bisector, Perpendicular, Tangential Quadrilateral. Geometry Problem 1498. Share Your Solution HereIntersecting Circles, Diameter, Common Chord, Secant, Cyclic Quadrilateral, Concurrent Lines, Concyclic and Collinear Points. Geometry Problem 1496. Share Your Solution HereTriangle, Congruence, Isosceles, Double Angle, 30 Degrees. Dynamic Geometry 1480. Share Your Solution HereJapanese Theorem for Cyclic Polygon, Sangaku,  Triangulation, Non-intersecting Diagonals, Sum of Inradii, Invariant, Step-by-step Illustration. GeoGebra, iPad. Dynamic Geometry 1475. Share Your Solution HereClifford Intersecting Circles Theorem, Step-by-step Illustration, GeoGebra, iPad. Dynamic Geometry 1473. Share Your Solution Here Kosnita's Theorem, Triangle, Four Circumcenters, Concurrent Line, Step-by-step Illustration. Dynamic Geometry 1471. Share Your Solution Here Equilateral Triangle, Inside/Outside Point, Incenters, Tangency Points, Concurrent Lines, Step-by-step Illustration. Dynamic Geometry 1470. Share Your Solution Here Tangential Quadrilateral, Incircles, Tangent, Parallel, Rhombus, Step-by-step Illustration. Geometry Problem 1462. Share Your Solution Here Newton-Line, Newton-Gauss Line, Complete Quadrilateral, Midpoints of Sides and Diagonals, Collinear Points. Dynamic Geometry 1460. Share Your Solution Here Newton-Gauss Line, Complete Quadrilateral, Midpoints of Diagonals, Collinear Points, Step-by-step Illustration using GeoGebra. Geometry Problem 1458. Share Your Solution Here Triangle, Incircles, Excircle, Area, Step-by-step Illustration using GeoGebra. Dynamic Geometry 1451. Share Your Solution Here Orthopole of a Line. Step-by-step illustration using GeoGebra. Dynamic Geometry 1450. Share Your Solution Here Ortholine, Steiner Line, Complete Quadrilateral, Collineal Orthocenters. Step-by-step illustration using GeoGebra. Dynamic Geometry 1449. Share Your Solution Here Salmon Line. Step-by-step illustration using GeoGebra. Dynamic Geometry Problem 1444. Share Your Solution Here The Asymmetric Propeller Theorem, Equilateral Triangles, Midpoints. Using GeoGebra. Geometry Problem 1437. Share Your Solution Here Intersecting Circles, Common Tangent, Equal Product, Art, Poster, Typography, iPad Apps. Geometry Problem 1435. Share Your Solution Here Circle, Diameter, Inscribed Circles, Circular Sector, Parallelogram, Parallel Lines, Tangency Points, Poster, Typography, iPad Apps. Geometry Problem 1434. Share Your Solution Here Equilateral Triangle, Tangent Circles, Tangent Lines, Arithmetic Mean, Measurement, Poster, Typography, iPad Apps. Geometry Problem 1431. Share Your Solution Here Triangle, Circumcircle, Parallel Chord, Apollonius, LLC, Congruent Angles, Poster, Conformal Mapping. Geometry Problem 1417. Share Your Solution Here Triangle, Cevian, Circumcircle, Incenter, Perpendicular, Angle Bisector, Tangent Lines, Tangent Circles. Geometry Problem 1401. Share Your Solution Here Right Triangle with three circles on the sides, Isosceles, Diameter, Center, Tangent, Congruence. Geometry Problem 1396. Share Your Solution Here Triangle with three rectangles on the sides, Vertices, Perpendicular lines, Concurrency. Geometry Problem 1385. Share Your Solution Here Triangle, Orthocenter, Circle, Circumcircle, Angle Bisector, Midpoint, Collinear Points. Geometry Problem 1376. Share Your Solution Here Isosceles Triangle, Interior Cevian, Excircles, Tangency Points, Parallel Lines. Go to Page: Previous | 1 | 5 | Next

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Last updated: Nov 2, 2023 