College Geometry Online, eLearning


Online Geometry: Cyclic Quadrilateral Theorems and Problems- Table of Content 3

Cyclic Quadrilateral Index 


Triangle, Four circumcircles

Problem 547.
Triangle, Transversal, Four Circumcircles, Concurrency.

Cyclic quadrilateral, Diagonal, Diameter

Problem 530.
Cyclic Quadrilateral, Diagonal, Diameter, Perpendicular, Congruence.

Elearn 492: Quadrilateral, CIrcle, Perpendicular, Parallel

Problem 492.
Cyclic Quadrilateral, Circle, Perpendicular, Side, Diagonal, Parallel.

Circle, Angle, Incenter, Isosceles triangle, Cyclic quadrilateral

Proposed Problem 439.
Isosceles triangle, Cevian, Incenter, Angles, Circle, Cyclic quadrilateral.

Square, 45 degrees

Proposed Problem 367.
Square, Angle, 45 degrees, Pythagoras, Congruence, Similarity.

Cyclic quadrilateral, Rhombus

Proposed Problem 359.
Cyclic quadrilateral, Angle bisector, Rhombus.

Circles, Tangent, Concyclic points

Proposed Problem 355.
Circles, Common external tangent, Concyclic points, Cyclic quadrilateral.

Triangle, Altitude, Circle, Concyclic points

Proposed Problem 347.
Triangle, Altitude, Perpendicular, Circle, Concyclic points.
Cyclic quadrilateral.

Problem 338 concyclic points

Proposed Problem 338.
Triangle, Circumcircle, Inscribed Circle, Exterior angle bisector, Concyclic points.
Cyclic quadrilateral.

Isosceles Trapezoid, Concyclic Points

Proposed Problem 337.
Isosceles Trapezoid, Angle bisector, Parallel, Concyclic points.
Cyclic quadrilateral.

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