Home Geometry Problems All Problems Parallelogram Area of a Parallelogram 481-490 Solution / comment        By Antonio Gutierrez
Problem 489. Parallelogram, Triangle, Quadrilateral, Area.
Level: High School, College, SAT Prep.

The figure shows a parallelogram ABCD. E is a point on DC extended. Line EB extended meet DA extended at F. CF and AE meet at G. Prove that the area of triangle EFG is equal to the area of quadrilateral ADCG.

Illustration: Parallelogram, Triangle, Area
 

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