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Master Geometry: Dive into Cyclic Quadrilateral Theorems and Problems
2
Cyclic quadrilateral,
Four vertices dance with grace,
Circle's loving hold.
Angles, sides harmonize,
Geometry's masterpiece unfold.
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Geometry Problem
1085.
Intersecting Circles, Concyclic Points, Cyclic Quadrilateral. |
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Geometry Problem
1052.
Triangle, Quadrilateral, Three Circumcircles, Circle, Concyclic Points, Cyclic Quadrilateral. |
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Geometry Problem
1017.
Square, Center, Midpoints, Circle, Concyclic Points, Cyclic Quadrilateral. |
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Geometry Problem
1003.
Intersecting Circle, Circumcircle, Chord, Secant, Triangle, 90 Degree, Angle, Perpendicular Lines. |
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Geometry Problem
1002.
Triangle, Circumcircle, Cevian, Parallel Lines, Cyclic Quadrilateral, Concyclic Points. |
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Geometry Problem 993.
Intersecting Circles, Secant, Tangent, Concyclic Points, Cyclic Quadrilateral, Perpendicular. |
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Geometry Problem 954.
Intersecting Circles, Secant, Common Chord, Cyclic Quadrilateral, Angle Bisector. |
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Geometry Problem 953.
Intersecting Circles, Secant, Common Chord, Cyclic Quadrilateral, Perpendicular. |
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Geometry Problem 951.
Intersecting Circles, Chord, Diameter, Parallel, Cyclic Quadrilateral, Concyclic Points. |
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Geometry Problem 950.
Intersecting Circles, Secant, Cyclic Quadrilateral, Concyclic Points. |
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Geometry Problem 949.
Intersecting Circles, Secant, Cyclic Quadrilateral, Concyclic Points. |
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Geometry Problem 948.
Intersecting Circles, Secant, Cyclic Quadrilateral, Concyclic Points. |
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Geometry Problem 938.
Cyclic Quadrilateral, Triangle, Circumcircle, Circles, Circumcenter, Circumradius, Distance, Metric Relations.
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Geometry Problem 925.
Cyclic Quadrilateral, Diagonal, Circle, Angle Bisector, Parallel.
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Geometry Problem 916.
Cyclic Quadrilateral, Three Circles, Diameter, Congruence.
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Geometry Problem 915.
Triangle, Intersecting Circles, Concyclic Points, Cyclic Quadrilateral.
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Geometry Problem 911.
Right Triangle, Double Angle, Triple Angle, Concyclic Points, Cyclic Quadrilateral.
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Geometry Problem 910.
Bicentric Quadrilateral, Distance between the Incenter and Circumcenter, Incircle, Circumcircle, Circumscribed, Inscribed, Circumradius.
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Geometry Problem 909.
Bicentric Quadrilateral, Incircle, Circumcircle, Circumscribed, Inscribed, Tangent, Inradius,
Distance.
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Geometry Problem 908.
Bicentric Quadrilateral, Incircle, Circumcircle, Circumscribed, Inscribed, Tangent, Inradius.
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Geometry Problem 907.
Bicentric Quadrilateral, Incircle, Circumcircle, Circumscribed, Inscribed, Tangent, Inradius.
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Geometry Problem 906.
Bicentric Quadrilateral, Incircle, Circumcircle, Circumscribed, Inscribed, Perpendicular.
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Lester Circle Theorem.
Cyclic quadrilateral. |
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Static Diagram of problem 901
Dynamic Geometry Problem
901
Intersecting Circles, Common External Tangent, Secant, Circumcircle, Concyclic Points, Cyclic Quadrilateral.
GeoGebra, HTML5 Animation for Tablets
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Geometry Problem 899
Intersecting Circles, Common External Tangent, Secant, Concyclic Points, Cyclic Quadrilateral.
GeoGebra, HTML5 Animation for Tablets |
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Geometry Problem 868
Cyclic Quadrilateral, Circle, Five Rectangles, Four Centers, Congruence. |
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Geometry Problem 866
Cyclic Quadrilateral, Circle, Rectangle, Center, Congruence, 90 Degrees. |
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Geometry Problem 847
van Lamoen Circle, Triangle, Medians, Centroid, Six Circumcenters, Concyclic Points. |
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Geometry Problem 846
Triangle, Medians, Centroid, Four Circumcenters, Concyclic Points, Cyclic Quadrilateral, Similarity. |
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Geometry Problem 795
Intersecting Circles, Common Chord, Midpoint, Tangent, Secant Line, Perpendicular, 90 Degrees,
Cyclic Quadrilateral. |
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Geometry Problem 788
Intersecting Circles, Secant Line, Midpoint, Cyclic Quadrilateral. |
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Geometry Problem 776
Triangle, Isogonal lines, Congruent angles, Perpendicular, Concyclic points, Circle, Center, Midpoint. |
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Geometry Problem
738.
Intersecting Circles, External Common Tangent, Common Chord, Secant, Circumcircle, Cyclic Quadrilateral, Concyclic Points. |
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Geometry Problem
737.
Cyclic Quadrilateral, Circumscribed Circle, Diameter, Tangent, Perpendicular. |
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Geometry Problem
736.
Triangle, Altitude, Perpendicular, Angles, Cyclic Quadrilateral. |
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Geometry Problem
731.
Cyclic quadrilateral, Triangle, Orthocenter, Altitude, Perpendicular, Parallelogram. |
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Geometry Problem
711.
Rectangle, Midpoint, Angle, Concyclic Points, Cyclic Quadrilateral. |
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Geometry Problem
706.
Triangle, Cevian, Three Circumcenters, Circumcircles, Concyclic Points, Cyclic quadrilateral. |
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Geometry Problem 667.
Intersecting Circles, Secant, Tangent, Metric Relations, Mind Map. |
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Geometry Problem 666.
Intersecting Circles, Secant, Tangent, Concyclic points, Mind Map. |
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Geometry Problem 628
Cyclic Quadrilateral, Congruence, Parallel Lines. |
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Geometry Problem 627
Cyclic Quadrilateral, Congruence, Concyclic Points. |
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Geometry Problem 623
Triangle, Incenter, Excenter, Incircle, Excircle, Concyclic Points. |
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Geometry Problem
586.
Cyclic Quadrilateral, Diagonals, Any Point, Circumcenters, Circumcircles, Concurrency. |
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Problem
585.
Cyclic Quadrilateral, Diagonals, Circumcenters, Circumcircles, Concurrency. |
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Problem
584.
Cyclic Quadrilateral, Diagonals, Circumcenters, Circumcircles, Parallelograms. |
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Problem
564.
Complete Quadrilateral, Incenter, Excenter, Concyclic Points. |
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Problem
562.
Triangle, Cevian, Incenter, Perpendicular, Concyclic Points, Cyclic
Quadrilateral. |
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Problem
548.
Triangle, Transversal, Four Circumcircles, Circumcenters, Concyclic Points,
Similarity. |
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