
They stayed up to my one expectation fully that they could solve this problem quickly. However I got only 3 different approaches (as against my expectation of 5 to 6 !)
But when I realized that there are still 3 methods from just 7 students, then I was quite happy :-))
Almost all of them had extended the two oblique lines to meet the pair of parallel lines.
After this construction, there were two (little) different routes:
To know about their approaches, click on this link: