Point is the midpoint of and point is the midpoint of . When and are joined, the trapezoid is divided into two smaller trapezoids. What is the ratio of the area of trapezoid to the area of trapezoid ? Explain how you got your answer.
, 2006
Want a route through all this instead of an archive? The track
puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.