5 ms·
I think that the visual proof is not complete. You have to demonstrate also that the quadrilateral in the right figure is a square.
by alberto_ol 2y ago
I think that the visual proof is not complete. You have to demonstrate also that the quadrilateral in the right figure is a square.
- konschubert 2y agoShouldn’t that be clear from considering angle properties? EDIT: Yes, I think it’s clear considering that the sum of the non-rectangular angles in a triangle is 90 degrees.