3 ms·
In the spirit of the posted proof, noting axial symmetry would be neater. (But then you need to know that parallelogram diagonals split each other in half, …)
by akho 2y ago
In the spirit of the posted proof, noting axial symmetry would be neater.
(But then you need to know that parallelogram diagonals split each other in half, …)
- deleted 2y ago[deleted]