All Questions
Tagged with elementary-proofs polygons
1 question with no upvoted or accepted answers
2
votes
0
answers
83
views
Principal diagonals of octagon meet in a single point
Can you provide a proof for the following claim:
Claim. Given octagon circumscribed about an ellipse. If the vertices of the octagon lie on another ellipse then its principal diagonals meet in a ...
- 2,661