Activity

Friends I need a big help. I have to solve a math question in my test book. Please help me to solve this question. The question (See more) is:- in ABCD parallelogram , on BC line Y point is situated. Prolonged AB line and the DY line meet in the X point. How to proof that AXY triangle's area is equal to BCX triangle's area? This is the picture I had drawn according to the above guidelines.