i am confused for answer from the following link
http://www.naec.ge/images/doc/EXAMS/exams-2011-gat-5-ivlisi.pdf
problem 67,problem states that quadrangular ABCD has A and C vertex on y axis,and coordinates of B and D is given ,we are asked to find ratio between are ABC and ADC,from given figure it is clear that it will be ration between height of both triangle or 5.4/3 which is equal 1.8,but answer is different 1.5 why?thanks