Diagonals of decagon
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How many intersection point will you get if draw all the diagonal of a $10$ gon?
Last edited by samiul_samin on Tue Feb 19, 2019 5:29 pm, edited 1 time in total.
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- Posts:1007
- Joined:Sat Dec 09, 2017 1:32 pm
Re: Diagonals of decagon
This is BdMO regional 2016 Question.
Hard way
Easy way
Hard way