There is also no evidence that these are lines at all and not just unconnected points that are offset on a subpixel scale. Or indeed there is no evidence that they are using base 10 numbers or aren't asking a completely different question in an invented language that just happens to look like English but has totally different semantics.

The people claiming it is unsolvable because one 110/80 degree pair of angles looks like a 90/90 one are ridiculous.