Go Geometry Education, Tutoring, Tutorial, Tutor

Geometry: Open Problems, High School, College, Tutoring

Online education degree: Open geometry problems, Tutoring, Tutorial, Tutor

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 1529

Geometry Problem 1529: Unlock the Mystery of Triangles: Solving for the Missing Angle with 100-50-30 Degree Angles and Cevian Lengths - A High School Challenge.

Post a solution.

Geometry Problem 1503

Geometry Problem 1503.
Post a solution
Triangle, Incircle, Tangent, Congruence, Perpendicular.

Geometry Problem 1502

Geometry Problem 1502.
Post a solution
Right Triangle, Incircle, Inradius, Geometric Mean of 2 Inradii, Angle Bisector, Perpendicular, Tangential Quadrilateral.

Geometry Problem 1498

Geometry Problem 1498.
Post a solution
Intersecting Circles, Diameter, Common Chord, Secant, Cyclic Quadrilateral, Concurrent Lines, Concyclic and Collinear Points.

Geometry Problem 1496

Geometry Problem 1496.
Post a solution
Triangle, Congruence, Isosceles, Double Angle, 30 Degrees.

Dynamic Geometry 1480

Dynamic Geometry 1480.
Post a solution
Japanese Theorem for Cyclic Polygon, Sangaku,  Triangulation, Non-intersecting Diagonals, Sum of Inradii, Invariant, Step-by-step Illustration. GeoGebra, iPad.

Dynamic Geometry 1475

Dynamic Geometry 1475.
Post a solution
Clifford Intersecting Circles Theorem, Step-by-step Illustration, GeoGebra, iPad.

Dynamic Geometry 1473

Dynamic Geometry 1473.
Post a solution
Kosnita's Theorem, Triangle, Four Circumcenters, Concurrent Line, Step-by-step Illustration.

Dynamic Geometry 1471

Dynamic Geometry 1471.
Post a solution
Equilateral Triangle, Inside/Outside Point, Incenters, Tangency Points, Concurrent Lines, Step-by-step Illustration.

Dynamic Geometry 1470

Dynamic Geometry 1470.
Post a solution
Tangential Quadrilateral, Incircles, Tangent, Parallel, Rhombus, Step-by-step Illustration.

Geometry Problem 1461

Geometry Problem 1462.
Post a solution
Newton-Line, Newton-Gauss Line, Complete Quadrilateral, Midpoints of Sides and Diagonals, Collinear Points.

Geometry Problem 1460

Dynamic Geometry 1460.
Post a solution
Newton-Gauss Line, Complete Quadrilateral, Midpoints of Diagonals, Collinear Points, Step-by-step Illustration using GeoGebra.

Geometry Problem 1458

Geometry Problem 1458.
Post a solution
Triangle, Incircles, Excircle, Area, Step-by-step Illustration using GeoGebra.

Dynamic Geometry 1451

Dynamic Geometry 1451.
Post a solution
Orthopole of a Line. Step-by-step illustration using GeoGebra.

Dynamic Geometry 1450

Dynamic Geometry 1450.
Post a solution
Ortholine, Steiner Line, Complete Quadrilateral, Collineal Orthocenters. Step-by-step illustration using GeoGebra.

Dynamic Geometry 1449

Dynamic Geometry 1449.
Post a solution
Salmon Line. Step-by-step illustration using GeoGebra.

Problem 1444

Dynamic Geometry Problem 1444.
Post a solution
The Asymmetric Propeller Theorem, Equilateral Triangles, Midpoints. Using GeoGebra.

Problem 1437

Geometry Problem 1437.
Post a solution
Intersecting Circles, Common Tangent, Equal Product, Art, Poster, Typography, iPad Apps.

Problem 1435

Geometry Problem 1435.
Post a solution
Circle, Diameter, Inscribed Circles, Circular Sector, Parallelogram, Parallel Lines, Tangency Points, Poster, Typography, iPad Apps.

Problem 1434

Geometry Problem 1434.
Post a solution
Equilateral Triangle, Tangent Circles, Tangent Lines, Arithmetic Mean, Measurement, Poster, Typography, iPad Apps.

Problem 1431

Geometry Problem 1431.
Post a solution
Triangle, Circumcircle, Parallel Chord, Apollonius, LLC, Congruent Angles, Poster, Conformal Mapping.

Problem 1417

Geometry Problem 1417.
Post a solution
Triangle, Cevian, Circumcircle, Incenter, Perpendicular, Angle Bisector, Tangent Lines, Tangent Circles.

Problem 1401

Geometry Problem 1401.
Post a solution
Right Triangle with three circles on the sides, Isosceles, Diameter, Center, Tangent, Congruence.

Problem 1396

Geometry Problem 1396.
Post a solution
Triangle with three rectangles on the sides, Vertices, Perpendicular lines, Concurrency.

Problem 1388 Circle, Triangle

Geometry Problem 1385.
Post a solution
Triangle, Orthocenter, Circle, Circumcircle, Angle Bisector, Midpoint, Collinear Points.

Problem 1376 Isosceles Triangle, Circle

Geometry Problem 1376.
Post a solution
Isosceles Triangle, Interior Cevian, Excircles, Tangency Points, Parallel Lines.

Go to Page: Previous | 1 | 5 | Next

Home | Sitemap | Geometry | Problems | All Problems | Ten Geometry Problems | Visual IndexEmail
Last updated: Mar 25, 2023