Online Geometry

Geometry Problems 401-410: Area, Triangle, Angle bisector, Circumcircle, Perpendicular bisector, Congruence, Hexagon, Centroid, Similarity, Congruence, Equilateral, Concurrent


Geometry problems 401-410


Area of a triangle, Circumcircle, Angle Bisector

Proposed Problem 401.
Area, Triangle, Angle bisector, Circumcircle, Perpendicular bisector, Congruence.
Puzzle based on poblem 401.


Hexagon, Centroids

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


Circular Sector 90 degrees

Proposed Problem 403.
Circular sector, 90 degrees, Circle, Semicircle, Area.


Equilateral triangles

Proposed Problem 404.
External Equilateral triangles, Congruent and Concurrent Lines.


Quadrilateral, 60, 75, 135 degrees

Proposed Problem 405.
Quadrilateral, 60, 75, and 135 degrees, Midpoint.


Right triangle, 15 degrees

Proposed Problem 406.
Right triangle, 15 degrees, Midpoints, Congruence.


Angle, Circle, Radius, Tangent, Secant, Perpendicular

Proposed Problem 407.
Circle, Angle, Tangent, Perpendicular, Secant, Radius, Center.


Cyclic quadrilateral, Perpendicular, Parallelogram, Congruence

Proposed Problem 408.
Cyclic quadrilateral, Perpendicular, Parallelogram, Congruence.


Quadrilateral, Angles, Diagonals, Perpendicular

Proposed Problem 409.
Quadrilateral, Diagonals, Perpendicular, Congruence.


Regular pentagons, Angle

Proposed Problem 410.
Two Regular Pentagons, Angle.
Puzzle: 22 piece polygons.


Geometry problems 411-420

Geometry problems 391-400


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