Steamboat McGoo found this excellent study illustrating the importance of understanding basic geometry. Although the explanation is in Japanese, it’s of critical importance that angle TQS is equal to angle AQE in order to cause the schoolboy’s jaw to drop.
There’s a pun in there somewhere about an extra riser, but I’m not gonna go there.
[Whoa. Just found the source of that excellence. There are a series of Manga textbooks, and they’re available in other languages including Portuguese. Tip o’ the tarboosh to mars for the update.]
Tacky Raccoons 