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 1559: Proving BC Bisects Segment DE. This geometry problem challenges students at high school and college levels.

Share Your Solution Here

Geometry Problem 1558: The midpoints of segments connecting corresponding vertices of equilateral triangles form an equilateral triangle.

Share Your Solution Here

Geometry Problem 1555: Find Length of DE. The problem involves chords, tangent, circles, and intersections of line

Share Your Solution Here

Geometry Problem 1554: Finding the Length of Side AB in Triangle ABC

Share Your Solution Here

Geometry Problem 1553: Solving for OC in Triangle ABC with Unique Angle Bisectors

Share Your Solution Here

Geometry Problem 1552: Exploring Angle C in Triangle ABC with Given Angle A and Side Lengths

Share Your Solution Here

Geometry Problem 1541 Challenge: Unveiling BG Length in an Inscribed Quadrilateral with Harmonic Quaternary Insight for Academic Pursuit.

Share Your Solution Here

Geometry Problem 1540: Solving for the Length of Chord in a Circle: Analyzing Intersections and Given Values for Academic Pursuits.

Share Your Solution Here

Geometry Problem 1502.
Share Your Solution Here
Right Triangle, Incircle, Inradius, Geometric Mean of 2 Inradii, Angle Bisector, Perpendicular, Tangential Quadrilateral.

Geometry Problem 1498.
Share Your Solution Here
Intersecting Circles, Diameter, Common Chord, Secant, Cyclic Quadrilateral, Concurrent Lines, Concyclic and Collinear Points.

Geometry Problem 1496.
Share Your Solution Here
Triangle, Congruence, Isosceles, Double Angle, 30 Degrees.

Dynamic Geometry 1480.
Share Your Solution Here
Japanese 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 Here
Clifford 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