Recent content by case

Hi again... I just found a fault in my attempt to solve the problem... I didn't consider that (0,0,2\sqrt{2}) actually doesn lye on the plane \pi! So i tought to impose that the x and y coordinateof of the point would be such that x - y + z = 0, with z being of course 2\sqrt{2}. Given this...

Hi all! I've appreciated (and lurked :-) this forum for a while. While waiting to find a question I'm able to answer, it's time for my first post (hopefully the first of many). Here's the problem: I'm trying to teach myself euclidean geometry and a found a tough (for me) question to answer in...