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 1600

Geometry Problem 1600: When Cevians Cross: Find the Missing Area: A STEM Geometry Challenge

Share Your Solution Here

Geometry Problem 1599

Geometry Problem 1599: Four Equal Squares, One Right Triangle: What’s the Ratio?: A STEM Geometry Challenge

Share Your Solution Here

Geometry Problem 1598

Geometry Problem 1598: Inradius Ratio with Median BM in a Right-Angled Triangle: A STEM Geometry Challenge

Share Your Solution Here

Geometry Problem 1597

Geometry Problem 1597: Circle-Triangle Intersection Problem: A STEM Geometry Challenge

Share Your Solution Here

Geometry Problem 1596

Geometry Problem 1596: Triangle Projections: Unraveling the DE Projection with Equal Angles!: A STEM Geometry Challenge

Share Your Solution Here

Geometry Problem 1595

Geometry Problem 1595: The Rectangle's Area and Its Relationship with Three Strategic Triangles – A STEM Perspective

Share Your Solution Here

Geometry Problem 1586

Geometry Problem 1586: Unveiling a Unique Area Relationship in Three Equilateral Triangles

Share Your Solution Here

Geometry Problem 1585

Geometry Problem 1585: Discover how a triangle's incircle reveals the secret of harmonious convergence

Share Your Solution Here

Geometry Problem 1584

Geometry Problem 1584: Proving a Ratio Involving Incircle and Angle Bisector
Unveiling a Potentially Unexplored Geometric Relationshp.

Share Your Solution Here

Geometry Problem 1583

Geometry Problem 1583: Prove Lines CK and BL are Parallel.

Share Your Solution Here

Geometry Problem 1577

Geometry Problem 1577: Prove that in triangle ABC, segment AB equals the sum of segments BD and CD, with given angles and congruent segments

Share Your Solution Here

Geometry Problem 1575

Geometry Problem 1575: Prove an Angle Bisector in a Triangle Involving an Altitude, Midpoint, and Excircle

Share Your Solution Here

Geometry Problem 1552

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

Share Your Solution Here

Dynamic Geometry 1475

Dynamic Geometry 1475.
Share Your Solution Here
Clifford Intersecting Circles Theorem, Step-by-step Illustration, GeoGebra, iPad.

Dynamic Geometry 1473

Dynamic Geometry 1473.
Share Your Solution Here
Kosnita's Theorem, Triangle, Four Circumcenters, Concurrent Line, Step-by-step Illustration.

Dynamic Geometry 1471

Dynamic Geometry 1471.
Share Your Solution Here
Equilateral Triangle, Inside/Outside Point, Incenters, Tangency Points, Concurrent Lines, Step-by-step Illustration.

Dynamic Geometry 1470

Dynamic Geometry 1470.
Share Your Solution Here
Tangential Quadrilateral, Incircles, Tangent, Parallel, Rhombus, Step-by-step Illustration.

Geometry Problem 1461

Geometry Problem 1462.
Share Your Solution Here
Newton-Line, Newton-Gauss Line, Complete Quadrilateral, Midpoints of Sides and Diagonals, Collinear Points.

Geometry Problem 1460

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

Geometry Problem 1458.
Share Your Solution Here
Triangle, Incircles, Excircle, Area, Step-by-step Illustration using GeoGebra.

Dynamic Geometry 1451

Dynamic Geometry 1451.
Share Your Solution Here
Orthopole of a Line. Step-by-step illustration using GeoGebra.

Dynamic Geometry 1450

Dynamic Geometry 1450.
Share Your Solution Here
Ortholine, Steiner Line, Complete Quadrilateral, Collineal Orthocenters. Step-by-step illustration using GeoGebra.

Dynamic Geometry 1449

Dynamic Geometry 1449.
Share Your Solution Here
Salmon Line. Step-by-step illustration using GeoGebra.

Problem 1444

Dynamic Geometry Problem 1444.
Share Your Solution Here
The Asymmetric Propeller Theorem, Equilateral Triangles, Midpoints. Using GeoGebra.

Problem 1437

Geometry Problem 1437.
Share Your Solution Here
Intersecting Circles, Common Tangent, Equal Product, Art, Poster, Typography, iPad Apps.

Problem 1435

Geometry Problem 1435.
Share Your Solution Here
Circle, Diameter, Inscribed Circles, Circular Sector, Parallelogram, Parallel Lines, Tangency Points, Poster, Typography, iPad Apps.

Problem 1434

Geometry Problem 1434.
Share Your Solution Here
Equilateral Triangle, Tangent Circles, Tangent Lines, Arithmetic Mean, Measurement, Poster, Typography, iPad Apps.

Problem 1431

Geometry Problem 1431.
Share Your Solution Here
Triangle, Circumcircle, Parallel Chord, Apollonius, LLC, Congruent Angles, Poster, Conformal Mapping.

Problem 1417

Geometry Problem 1417.
Share Your Solution Here
Triangle, Cevian, Circumcircle, Incenter, Perpendicular, Angle Bisector, Tangent Lines, Tangent Circles.

Problem 1401

Geometry Problem 1401.
Share Your Solution Here
Right Triangle with three circles on the sides, Isosceles, Diameter, Center, Tangent, Congruence.

Problem 1396

Geometry Problem 1396.
Share Your Solution Here
Triangle with three rectangles on the sides, Vertices, Perpendicular lines, Concurrency.

Problem 1388 Circle, Triangle

Geometry Problem 1385.
Share Your Solution Here
Triangle, Orthocenter, Circle, Circumcircle, Angle Bisector, Midpoint, Collinear Points.

Problem 1376 Isosceles Triangle, Circle

Geometry Problem 1376.
Share Your Solution Here
Isosceles Triangle, Interior Cevian, Excircles, Tangency Points, Parallel Lines.

Go to Page: Previous | 1 | 5 | Next

Home | About | Sitemap | Geometry | Problems | All Problems | Ten Geometry Problems | Visual IndexEmail
Last updated: Apr 26, 2025