Reply To: Maths
For Q1 the key lemma is that AFX is similar to AXE so the desired result immediately follows from similarity. This follows from angle chasing using the fact that XCDB is a parallelogram.
For Q1 the key lemma is that AFX is similar to AXE so the desired result immediately follows from similarity. This follows from angle chasing using the fact that XCDB is a parallelogram.