Search found 11 matches
- Fri Dec 08, 2017 10:08 am
- Forum: Combinatorics
- Topic: Combi Marathon
- Replies: 48
- Views: 44181
Re: Combi Marathon
Problem 20 A pentagon with all sides equal is given. Prove that the circles having those sides as diameters can't cover the the entire region of that pentagon. Sketch of solution: This claim is true for convex pentagon.For any convex pentagon,the summation of internal angles is 540 and 540-3×60=2×1...