Geometry
Problem 489. Proving the Equality of Areas in a Parallelogram and Extended Lines Intersection: Parallelogram, Triangle, Quadrilateral, Area.
Level: High School, College, SAT Prep.
The figure shows a parallelogram ABCD, with point E located on the extended line of DC. The extended line of EB intersects the extended line of DA at point F. Lines CF and AE meet at point G. Prove that the area of triangle EFG is equal to the area of quadrilateral ADCG
Thematic poem of Problem 489

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