shams on 01 June 2007
| fishamaphone said: The problem is that we can't assume things from eyeballing them. Let's say the "right" angle in the left triangle is really 92 degrees, and the "right" angle in the right triangle is 88. You'd end up with the same line, shifted up and left, still bisecting the horizontal line, but the diagonal would be longer on the left side than the right. It can't be proven or disproven without more info. |
No, that's wrong. The key is that the point on the main line where the intersection occurs is exactly halfway. This can only occur when the "right" angles are identical in both triangles (they don't have to be right-angles - that isn't important though).
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