Because I ended up getting it at a police auction. Now you’re going to rotate a house 180 degrees. How much will this whole thing cost? That’s an obvious question, and not the right one.

‘I’m capable of rotating my head by 180 degree and look backwards. I can rotate both my hands and legs by 360 degrees and can move my shoulders at any angle. ‘I can rotate my torso by 180 degree ...

It's possible to demonstrate and prove mathematically that the angle sum of every triangle is 180 degrees. The techniques used are useful for solving all kinds of other geometry problems too.