Sadly, I don't live nearby either.
Just like everywhere else.
The question is really: "which statement would explain why we can equate the lengths of the two line segments" - and there's really only one that's likely.
This becomes a nasty little quandary for the ethics department - and it'll be interesting to see what comes of it. The Chrome browser is not only fairly decent (ignoring the current lack of extensions), but evolving at what can only be considered to be an alarming rate, at least if your a competitor.