Geometry: Hexagons, Theorems
and Problems  Table of Content 2




Geometry Problem 1420. Regular Hexagon, Inscribed Circle, Area, Tangent
Circles, Tangent Line. 

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

Geometry Problem 1252.
Triangle, Circle, Circumcircle, Altitude, Area, Hexagon, Perpendicular, 90 Degrees. Mind Map. 

Geometry Problem 1187
Triangle, Quadrilateral, Midpoints, Hexagon, Area. 

Geometry Problem 1123.
Hexagon, Triangle, 90 Degrees, Perpendicular Lines, Vertices, Area. 

Geometry Problem
1112.
Triangle, Excenters, Circumcircle, Circle, Hexagon, Area. 

Geometry Problem
1106.
Regular Hexagon, Congruence, Diagonal, Collinear Points. 

Geometry Problem
1050.
Regular Hexagon, Center, Any Point, Inside, Outside, Distance, Metric Relations,
Congruence. 

Geometry Problem
1049.
Hexagon inscribed, Circle, Circumcircle, Congruence, Angles. 

Geometry Problem
1007.
Hexagon, Midpoint, Triangle, Median, Centroid, Concurrency. 

Geometry Problem 983.
Regular Hexagon, A point and six triangles, Areas. 

Geometry Problem 982.
Triangle, Excenters, Excentral Triangle, Circumcenter, Area, Hexagon. 

Geometry Problem 981.
Triangle, Concurrent Cevians, Midpoints, Area, Hexagon. 

Geometry Problem 880
Triangle, Midpoints, Sides, Perpendiculars, Hexagon, Area. 

Geometry Problem 827: Brianchon Corollary
Circumscribed Hexagon, Tangency Points, Diagonal, Opposite Sides, Concurrent lines. 

Geometry Problem 826: Brianchon's Theorem
Circumscribed Hexagon, Concurrent Diagonals. 

Geometry Problem 791
Regular Hexagon, Midpoints of Side and Diagonal, Equilateral Triangle, Area. 

Geometry Problem 599
Regular Hexagon, Square, Midpoint, Angle, Degrees. 

Proposed Problem 402.
Hexagon, Triangle, Centroid, Parallel, Congruence, Similarity. 

Proposed Problem 346.
Equal circles, Tangents, Hexagon, Semiperimeter. 

Proposed Problem 345.
Equal circles, Tangents, Concurrent lines, Hexagon, Semiperimeter. 

Proposed Problem 343.
Hexagon, Inscribed circle, Tangent, Semiperimeter. 

Proposed Problem 262.
Regular Hexagon inscribed in a circle, sum of distances. 

Proposed Problem 79: Triangle.
Similarity, Altitudes, Orthocenter, Incircles, Inradii. 
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Last updated: Mar 8, 2019
