Online Geometry Problems

Online Geometry Problem 831: Quadrilateral, Diagonal, Midpoint, Opposite Angles, Congruence, Parallelogram. Level: High School, SAT Prep, College, Mathematics Education

The figure below shows a quadrilateral ABCD with angle BAD = angle BCD and O midpoint of diagonal BD. Prove that ABCD is a parallelogram. Problem submitted by Jacob Ha, Keith Law ....
 

Geometry problem: Quadrilateral, Diagonal, Midpoint, Opposite Angles, Congruence, Parallelogram
 


 

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