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Geometry problem 1335

Ten Geometry Problems
Visual Index
Problemas en Espanol (Spanish-language version)
   Parallel lines
   Perpendicular lines
   Collinear Points
   Triangle
   Metric Relations
   Quadrilateral
   Triangle & Squares
   Polygons
    Pentagons
    Hexagons
    Heptagons
    Octagons
   Circle
   Triangle Centers
   Congruence
   Similarity, Ratios, Proportions.

Problem 1439

Geometry Problem 1439.
Post a solution
Rectangle, Diagonal, Perpendicular, Circles, Areas, Art, Poster, Typography, iPad Apps.

Problem 1438

Geometry Problem 1438.
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Triangle, Incenter, Centroid, Circumcenter, Parallel, 90 Degree, Art, Poster, Typography, iPad Apps.

Problem 1437

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

Problem 1435

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

Problem 1434

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

Problem 1431

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

Problem 1419

Geometry Problem 1419.
Post a solution
Triangle, Altitude, Circumcircle, Incenter, Inradius, Perpendicular, Angle Bisector, Midpoint.

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.
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Triangle with three rectangles on the sides, Vertices, Perpendicular lines, Concurrency.

Problem 1395

Geometry Problem 1395.
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Triangle with three rectangles on the sides, Midpoints, Perpendicular lines, Concurrency.

Problem 1394

Geometry Problem 1394.
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Three Circles and Three Pair of Common Internal Tangents, Concurrency.

Problem 1388 Circle, Triangle

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

Problem 1376 Isosceles Triangle, Circle

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

Equilic Quadrilateral, problem 1371

Geometry Problem 1371: Equilic Quadrilateral 5
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Geometry problem 1361

Geometry Problem 1361.
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Triangle, Two Nine-Point Circles, Feuerbach's Circle, Euler's Circle, Congruent Angles, Sketch, iPad Apps.

Geometry problem 1351

Geometry Problem 1351.
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Two Tangential or Circumscribed Quadrilaterals, Midpoints, Perpendiculars.

Geometry problem 1345

Geometry Problem 1345
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Three Equilateral Triangles, Center, Area, Common Vertex.

Geometry problem 1335

Problem 1335. The Lune of Hippocrates has the same area of a Kite.
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Geometry problem 1325

Geometry Problem 1325.
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Octagons, Midpoints, Squares, Mobile Apps, iPad.

Geometry problem 1319

Geometry Problem 1319.
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Hexagons, Equilateral Triangles, Center, Midpoints.

Geometry problem 1317

Geometry Problem 1317.
Post a solution
Triangle, Excircle, Chord, Tangent, Midpoint, Arc, Sum of two Segments, Congruence.

Geometry problem 1316

Geometry Problem 1316.
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Triangle, Incircle, Tangent, Chord, Midpoint, Sum of two Segments, Congruence.

Geometry problem 1315

Geometry Problem 1315.
Post a solution
Triangle, Incircle, Tangent, Chord, Circle, Congruence.

Geometry Problem 902

Static Diagram of problem 902
Dynamic Geometry Problem 902
Post a solution
Triangle, Four Squares, Center, Concurrent Lines. GeoGebra, HTML5 Animation for Tablets

Geometry problem 1301

Geometry Problem 1301.
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Arbelos, Semicircles, Diameters, Circle, Incircle, Incenter, Square, Midpoint, Concurrency.

Geometry problem 1282

Geometry Problem 1282.
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Three Squares, Common Vertex, Midpoint, Perpendicular, 90 Degrees.

Geometry problem 1253

Geometry Problem 1253.
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Triangle, Orthocenter, Circle, Circumcircle, Altitude, Perpendicular, 90 Degree, Concurrency.

Geometry problem 1238

Geometry Problem 1238
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Square, Equilateral Triangle, Metric Relations. Mobile Apps.

Geometry problem 1233

Geometry Problem 1233
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Triangle, Euler Line, Orthic Axis, Perpendicular, 90 Degrees, Orthic Triangle.

Geometry problem 1212

Geometry Problem 1212
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Equilateral Triangle, Equilateral Hexagon, Concurrent Lines.

Geometry problem 1210

Geometry Problem 1210
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Circle, Tangent Line, Secant, Chord, Collinear Points.

Geometry problem 1176

Geometry Problem 1176
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Cyclic Quadrilateral, Diagonals, Six Diameters, Circles, Collinear Points, Concurrent Lines.

Six Tangential Quadrilaterals Theorem, problem 1175

Geometry Problem 1175: Six Tangential or Circumscribed Quadrilaterals Theorem
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Geometry problem 1169

Geometry Problem 1169
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Complete Quadrilateral, Orthocenters of the Component Triangles, Collinear Points, Ortholine, Steiner-line, Orthocentric line.

Geometry problem 1168

Geometry Problem 1168
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Construction of the Inscribed Circle of the Arbelos, Semicircles, Diameter, Circle, Triangle, Circumcircle, Tangent.

Geometry problem 1163

Geometry Problem 1163.
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Isosceles Triangle, Congruence, Double Angle, Circle, Concyclic Points, Circumcenter, Perpendicular, Angle Bisector.

Geometry problem 1145

Geometry Problem 1145.
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Three Squares, Midpoints.

Geometry problem 1143

Geometry Problem 1143.
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Triangle, Circumcircle, Tangent Line, Reflection of a Point over a Line, Tangent Circles, Collinear Points.

Geometry problem 1142

Geometry Problem 1142.
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Cyclic Quadrilateral, Isogonal Lines, Circle, Center, Radius, Perpendicular Bisector, Circumcenter.

Geometry problem 1140

Geometry Problem 1140.
Post a solution
Triangle, Circumcircle, Circle, Center, Collinear Points.

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Last updated: Jun 9, 2019