This is for the smart heads in the house. You must really love geometry to get this one right though. This fun geometry problem was featured on the 26th Season Finale of The Simpson's "Mathlete's Feat."
You have a captial M, and you must make 9 triangles by drawing only three straight lines. None of the triangles can overlap. Here are two hints to getting to the solution: The final solution is symmetrical, and it's better to draw a big M to start with.
Give it a try and see what you come up with.
Click here to watch the solution video to this geometry puzzle.