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Online Math: Geometry Problem 1183: Parallelogram, Diagonals, Circle, Tangent Line. Level: School. Tiled background image: Papyrus from Euclid's Elements of Geometry.

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The figure below shows a parallelogram ABCD, the circle of center A and tangent to BD cuts CA extended at E. The circle of center C and tangent to BD cuts AC extended at F. Prove that EBFD is a parallelogram.
This entry contributed by Sumith Peiris.

  

Geometry Problem 1183: Parallelogram, Diagonals, Circle, Tangent Line

 
 

 

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Last updated: Jan 29, 2016