AD is the median of △ ABC. Area of △ABC : △ADB = ____.
1:2
1:1
1:3
2:1
AD is the median of △ ABC and DE is the median of △ ABD. If area of △ BED : area of △ ABC =_____.
In the given figure, AE and BD are two medians of a △ABC meeting at F. The ratio of the area of △ ABF to the area of the quadrilateral FDCE is: